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Finding the Fourth Proportional to 534,000.60, 801,000.90 and 498,749.40

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Solution

The fourth proportional to 534,000.60, 801,000.90 and 498,749.40 is: 748,124.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,000.60 : 801,000.90 = 498,749.40 : x
  2. Step 2: Convert to fraction form
    534,000.60/801,000.90 = 498,749.40/x
  3. Step 3: Cross multiply
    534,000.60x = 801,000.90 × 498,749.40
  4. Step 4: Simplify right side
    534,000.60x = 399,498,718,274.46
  5. Step 5: Solve for x
    x = 399,498,718,274.46/534,000.60
  6. Step 6: Final answer
    x = 748,124.10

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Similar ratio
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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.