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Finding the Fourth Proportional to 532,856.40, 801,252.90 and 446,251.20

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Solution

The fourth proportional to 532,856.40, 801,252.90 and 446,251.20 is: 671,025.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,856.40 : 801,252.90 = 446,251.20 : x
  2. Step 2: Convert to fraction form
    532,856.40/801,252.90 = 446,251.20/x
  3. Step 3: Cross multiply
    532,856.40x = 801,252.90 × 446,251.20
  4. Step 4: Simplify right side
    532,856.40x = 357,560,068,128.48
  5. Step 5: Solve for x
    x = 357,560,068,128.48/532,856.40
  6. Step 6: Final answer
    x = 671,025.19

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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.