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Finding the Fourth Proportional to 508,562.38, 701,848.88 and 282,207.88

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Solution

The fourth proportional to 508,562.38, 701,848.88 and 282,207.88 is: 389,465.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,562.38 : 701,848.88 = 282,207.88 : x
  2. Step 2: Convert to fraction form
    508,562.38/701,848.88 = 282,207.88/x
  3. Step 3: Cross multiply
    508,562.38x = 701,848.88 × 282,207.88
  4. Step 4: Simplify right side
    508,562.38x = 198,067,284,505.17
  5. Step 5: Solve for x
    x = 198,067,284,505.17/508,562.38
  6. Step 6: Final answer
    x = 389,465.07

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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.