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Finding the Fourth Proportional to 541,454.32, 747,248.46 and 308,886.38

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Solution

The fourth proportional to 541,454.32, 747,248.46 and 308,886.38 is: 426,286.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,454.32 : 747,248.46 = 308,886.38 : x
  2. Step 2: Convert to fraction form
    541,454.32/747,248.46 = 308,886.38/x
  3. Step 3: Cross multiply
    541,454.32x = 747,248.46 × 308,886.38
  4. Step 4: Simplify right side
    541,454.32x = 230,814,869,677.59
  5. Step 5: Solve for x
    x = 230,814,869,677.59/541,454.32
  6. Step 6: Final answer
    x = 426,286.87

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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.