Home / 704,724.13-972,519.92-382,434.22

Finding the Fourth Proportional to 704,724.13, 972,519.92 and 382,434.22

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Solution

The fourth proportional to 704,724.13, 972,519.92 and 382,434.22 is: 527,759.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,724.13 : 972,519.92 = 382,434.22 : x
  2. Step 2: Convert to fraction form
    704,724.13/972,519.92 = 382,434.22/x
  3. Step 3: Cross multiply
    704,724.13x = 972,519.92 × 382,434.22
  4. Step 4: Simplify right side
    704,724.13x = 371,924,895,127.49
  5. Step 5: Solve for x
    x = 371,924,895,127.49/704,724.13
  6. Step 6: Final answer
    x = 527,759.56

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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.