Home / 749,880.82-1,124,815.80-300,595.15

Finding the Fourth Proportional to 749,880.82, 1,124,815.80 and 300,595.15

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Solution

The fourth proportional to 749,880.82, 1,124,815.80 and 300,595.15 is: 450,890.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,880.82 : 1,124,815.80 = 300,595.15 : x
  2. Step 2: Convert to fraction form
    749,880.82/1,124,815.80 = 300,595.15/x
  3. Step 3: Cross multiply
    749,880.82x = 1,124,815.80 × 300,595.15
  4. Step 4: Simplify right side
    749,880.82x = 338,114,174,123.37
  5. Step 5: Solve for x
    x = 338,114,174,123.37/749,880.82
  6. Step 6: Final answer
    x = 450,890.55

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Double scale
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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.