Home / 762,869.17-1,052,760.77-418,707.36

Finding the Fourth Proportional to 762,869.17, 1,052,760.77 and 418,707.36

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Solution

The fourth proportional to 762,869.17, 1,052,760.77 and 418,707.36 is: 577,816.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,869.17 : 1,052,760.77 = 418,707.36 : x
  2. Step 2: Convert to fraction form
    762,869.17/1,052,760.77 = 418,707.36/x
  3. Step 3: Cross multiply
    762,869.17x = 1,052,760.77 × 418,707.36
  4. Step 4: Simplify right side
    762,869.17x = 440,798,680,624.73
  5. Step 5: Solve for x
    x = 440,798,680,624.73/762,869.17
  6. Step 6: Final answer
    x = 577,816.88

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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.