Home / 755,695.29-1,042,839.21-411,524.35

Finding the Fourth Proportional to 755,695.29, 1,042,839.21 and 411,524.35

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Solution

The fourth proportional to 755,695.29, 1,042,839.21 and 411,524.35 is: 567,892.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,695.29 : 1,042,839.21 = 411,524.35 : x
  2. Step 2: Convert to fraction form
    755,695.29/1,042,839.21 = 411,524.35/x
  3. Step 3: Cross multiply
    755,695.29x = 1,042,839.21 × 411,524.35
  4. Step 4: Simplify right side
    755,695.29x = 429,153,728,049.76
  5. Step 5: Solve for x
    x = 429,153,728,049.76/755,695.29
  6. Step 6: Final answer
    x = 567,892.56

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Double scale
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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.