Home / 769,326.31-1,061,614.68-425,158.12

Finding the Fourth Proportional to 769,326.31, 1,061,614.68 and 425,158.12

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Solution

The fourth proportional to 769,326.31, 1,061,614.68 and 425,158.12 is: 586,687.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,326.31 : 1,061,614.68 = 425,158.12 : x
  2. Step 2: Convert to fraction form
    769,326.31/1,061,614.68 = 425,158.12/x
  3. Step 3: Cross multiply
    769,326.31x = 1,061,614.68 × 425,158.12
  4. Step 4: Simplify right side
    769,326.31x = 451,354,096,205.13
  5. Step 5: Solve for x
    x = 451,354,096,205.13/769,326.31
  6. Step 6: Final answer
    x = 586,687.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.