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Finding the Fourth Proportional to 533,375.92, 735,711.96 and 342,086.32

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Solution

The fourth proportional to 533,375.92, 735,711.96 and 342,086.32 is: 471,856.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,375.92 : 735,711.96 = 342,086.32 : x
  2. Step 2: Convert to fraction form
    533,375.92/735,711.96 = 342,086.32/x
  3. Step 3: Cross multiply
    533,375.92x = 735,711.96 × 342,086.32
  4. Step 4: Simplify right side
    533,375.92x = 251,676,996,976.39
  5. Step 5: Solve for x
    x = 251,676,996,976.39/533,375.92
  6. Step 6: Final answer
    x = 471,856.69

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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.