Home / 762,611.92-1,052,369.15-418,439.27

Finding the Fourth Proportional to 762,611.92, 1,052,369.15 and 418,439.27

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Solution

The fourth proportional to 762,611.92, 1,052,369.15 and 418,439.27 is: 577,426.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,611.92 : 1,052,369.15 = 418,439.27 : x
  2. Step 2: Convert to fraction form
    762,611.92/1,052,369.15 = 418,439.27/x
  3. Step 3: Cross multiply
    762,611.92x = 1,052,369.15 × 418,439.27
  4. Step 4: Simplify right side
    762,611.92x = 440,352,579,435.25
  5. Step 5: Solve for x
    x = 440,352,579,435.25/762,611.92
  6. Step 6: Final answer
    x = 577,426.83

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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.