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Finding the Fourth Proportional to 634,439.28, 875,524.32 and 362,591.52

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Solution

The fourth proportional to 634,439.28, 875,524.32 and 362,591.52 is: 500,375.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,439.28 : 875,524.32 = 362,591.52 : x
  2. Step 2: Convert to fraction form
    634,439.28/875,524.32 = 362,591.52/x
  3. Step 3: Cross multiply
    634,439.28x = 875,524.32 × 362,591.52
  4. Step 4: Simplify right side
    634,439.28x = 317,457,693,985.77
  5. Step 5: Solve for x
    x = 317,457,693,985.77/634,439.28
  6. Step 6: Final answer
    x = 500,375.22

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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.