Home / 937,421.97-1,406,134.77-338,805.78

Finding the Fourth Proportional to 937,421.97, 1,406,134.77 and 338,805.78

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Solution

The fourth proportional to 937,421.97, 1,406,134.77 and 338,805.78 is: 508,209.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,421.97 : 1,406,134.77 = 338,805.78 : x
  2. Step 2: Convert to fraction form
    937,421.97/1,406,134.77 = 338,805.78/x
  3. Step 3: Cross multiply
    937,421.97x = 1,406,134.77 × 338,805.78
  4. Step 4: Simplify right side
    937,421.97x = 476,406,587,534.97
  5. Step 5: Solve for x
    x = 476,406,587,534.97/937,421.97
  6. Step 6: Final answer
    x = 508,209.33

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.