Home / 672,729.14-928,591.16-400,882.30

Finding the Fourth Proportional to 672,729.14, 928,591.16 and 400,882.30

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Solution

The fourth proportional to 672,729.14, 928,591.16 and 400,882.30 is: 553,351.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,729.14 : 928,591.16 = 400,882.30 : x
  2. Step 2: Convert to fraction form
    672,729.14/928,591.16 = 400,882.30/x
  3. Step 3: Cross multiply
    672,729.14x = 928,591.16 × 400,882.30
  4. Step 4: Simplify right side
    672,729.14x = 372,255,755,654.58
  5. Step 5: Solve for x
    x = 372,255,755,654.58/672,729.14
  6. Step 6: Final answer
    x = 553,351.61

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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.