Home / 717,358.70-1,074,856.96-501,239.36

Finding the Fourth Proportional to 717,358.70, 1,074,856.96 and 501,239.36

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Solution

The fourth proportional to 717,358.70, 1,074,856.96 and 501,239.36 is: 751,033.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,358.70 : 1,074,856.96 = 501,239.36 : x
  2. Step 2: Convert to fraction form
    717,358.70/1,074,856.96 = 501,239.36/x
  3. Step 3: Cross multiply
    717,358.70x = 1,074,856.96 × 501,239.36
  4. Step 4: Simplify right side
    717,358.70x = 538,760,614,721.95
  5. Step 5: Solve for x
    x = 538,760,614,721.95/717,358.70
  6. Step 6: Final answer
    x = 751,033.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.