Home / 442,094.20-663,141.30-331,502.20

Finding the Fourth Proportional to 442,094.20, 663,141.30 and 331,502.20

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Solution

The fourth proportional to 442,094.20, 663,141.30 and 331,502.20 is: 497,253.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,094.20 : 663,141.30 = 331,502.20 : x
  2. Step 2: Convert to fraction form
    442,094.20/663,141.30 = 331,502.20/x
  3. Step 3: Cross multiply
    442,094.20x = 663,141.30 × 331,502.20
  4. Step 4: Simplify right side
    442,094.20x = 219,832,799,860.86
  5. Step 5: Solve for x
    x = 219,832,799,860.86/442,094.20
  6. Step 6: Final answer
    x = 497,253.30

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1.5x scale

Why These Related Problems?

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