Home / 566,687.12-781,852.55-321,631.88

Finding the Fourth Proportional to 566,687.12, 781,852.55 and 321,631.88

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Solution

The fourth proportional to 566,687.12, 781,852.55 and 321,631.88 is: 443,752.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,687.12 : 781,852.55 = 321,631.88 : x
  2. Step 2: Convert to fraction form
    566,687.12/781,852.55 = 321,631.88/x
  3. Step 3: Cross multiply
    566,687.12x = 781,852.55 × 321,631.88
  4. Step 4: Simplify right side
    566,687.12x = 251,468,700,021.87
  5. Step 5: Solve for x
    x = 251,468,700,021.87/566,687.12
  6. Step 6: Final answer
    x = 443,752.28

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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.