Home / 492,426.22-680,108.38-331,000.92

Finding the Fourth Proportional to 492,426.22, 680,108.38 and 331,000.92

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Solution

The fourth proportional to 492,426.22, 680,108.38 and 331,000.92 is: 457,157.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,426.22 : 680,108.38 = 331,000.92 : x
  2. Step 2: Convert to fraction form
    492,426.22/680,108.38 = 331,000.92/x
  3. Step 3: Cross multiply
    492,426.22x = 680,108.38 × 331,000.92
  4. Step 4: Simplify right side
    492,426.22x = 225,116,499,479.71
  5. Step 5: Solve for x
    x = 225,116,499,479.71/492,426.22
  6. Step 6: Final answer
    x = 457,157.82

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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.