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Finding the Fourth Proportional to 501,535.68, 750,505.92 and 434,299.20

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Solution

The fourth proportional to 501,535.68, 750,505.92 and 434,299.20 is: 649,892.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,535.68 : 750,505.92 = 434,299.20 : x
  2. Step 2: Convert to fraction form
    501,535.68/750,505.92 = 434,299.20/x
  3. Step 3: Cross multiply
    501,535.68x = 750,505.92 × 434,299.20
  4. Step 4: Simplify right side
    501,535.68x = 325,944,120,651.26
  5. Step 5: Solve for x
    x = 325,944,120,651.26/501,535.68
  6. Step 6: Final answer
    x = 649,892.19

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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.