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Finding the Fourth Proportional to 634,217.94, 875,214.09 and 347,737.32

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Solution

The fourth proportional to 634,217.94, 875,214.09 and 347,737.32 is: 479,873.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,217.94 : 875,214.09 = 347,737.32 : x
  2. Step 2: Convert to fraction form
    634,217.94/875,214.09 = 347,737.32/x
  3. Step 3: Cross multiply
    634,217.94x = 875,214.09 × 347,737.32
  4. Step 4: Simplify right side
    634,217.94x = 304,344,602,082.84
  5. Step 5: Solve for x
    x = 304,344,602,082.84/634,217.94
  6. Step 6: Final answer
    x = 479,873.85

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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.