Home / 762,675.31-1,052,489.03-418,516.98

Finding the Fourth Proportional to 762,675.31, 1,052,489.03 and 418,516.98

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Solution

The fourth proportional to 762,675.31, 1,052,489.03 and 418,516.98 is: 577,551.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,675.31 : 1,052,489.03 = 418,516.98 : x
  2. Step 2: Convert to fraction form
    762,675.31/1,052,489.03 = 418,516.98/x
  3. Step 3: Cross multiply
    762,675.31x = 1,052,489.03 × 418,516.98
  4. Step 4: Simplify right side
    762,675.31x = 440,484,524,279.31
  5. Step 5: Solve for x
    x = 440,484,524,279.31/762,675.31
  6. Step 6: Final answer
    x = 577,551.83

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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.