Home / 749,111.10-1,123,666.65-250,475.10

Finding the Fourth Proportional to 749,111.10, 1,123,666.65 and 250,475.10

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Solution

The fourth proportional to 749,111.10, 1,123,666.65 and 250,475.10 is: 375,712.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,111.10 : 1,123,666.65 = 250,475.10 : x
  2. Step 2: Convert to fraction form
    749,111.10/1,123,666.65 = 250,475.10/x
  3. Step 3: Cross multiply
    749,111.10x = 1,123,666.65 × 250,475.10
  4. Step 4: Simplify right side
    749,111.10x = 281,450,516,525.42
  5. Step 5: Solve for x
    x = 281,450,516,525.42/749,111.10
  6. Step 6: Final answer
    x = 375,712.65

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Half scale
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Double scale
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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.