Home / 749,123.10-1,123,684.65-250,487.10

Finding the Fourth Proportional to 749,123.10, 1,123,684.65 and 250,487.10

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Solution

The fourth proportional to 749,123.10, 1,123,684.65 and 250,487.10 is: 375,730.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,123.10 : 1,123,684.65 = 250,487.10 : x
  2. Step 2: Convert to fraction form
    749,123.10/1,123,684.65 = 250,487.10/x
  3. Step 3: Cross multiply
    749,123.10x = 1,123,684.65 × 250,487.10
  4. Step 4: Simplify right side
    749,123.10x = 281,468,509,293.02
  5. Step 5: Solve for x
    x = 281,468,509,293.02/749,123.10
  6. Step 6: Final answer
    x = 375,730.65

Related Problems

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Half scale
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Double scale
Find fourth proportional to 749,124.10, 1,123,686.15 and 250,488.10
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.