Home / 725,947.04-1,001,809.68-499,198.88

Finding the Fourth Proportional to 725,947.04, 1,001,809.68 and 499,198.88

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Solution

The fourth proportional to 725,947.04, 1,001,809.68 and 499,198.88 is: 688,896.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,947.04 : 1,001,809.68 = 499,198.88 : x
  2. Step 2: Convert to fraction form
    725,947.04/1,001,809.68 = 499,198.88/x
  3. Step 3: Cross multiply
    725,947.04x = 1,001,809.68 × 499,198.88
  4. Step 4: Simplify right side
    725,947.04x = 500,102,270,229.16
  5. Step 5: Solve for x
    x = 500,102,270,229.16/725,947.04
  6. Step 6: Final answer
    x = 688,896.36

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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.