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Finding the Fourth Proportional to 558,770.30, 838,155.45 and 508,906.70

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Solution

The fourth proportional to 558,770.30, 838,155.45 and 508,906.70 is: 763,360.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,770.30 : 838,155.45 = 508,906.70 : x
  2. Step 2: Convert to fraction form
    558,770.30/838,155.45 = 508,906.70/x
  3. Step 3: Cross multiply
    558,770.30x = 838,155.45 × 508,906.70
  4. Step 4: Simplify right side
    558,770.30x = 426,542,924,146.52
  5. Step 5: Solve for x
    x = 426,542,924,146.52/558,770.30
  6. Step 6: Final answer
    x = 763,360.05

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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.