Home / 759,240.62-1,138,630.87-399,217.46

Finding the Fourth Proportional to 759,240.62, 1,138,630.87 and 399,217.46

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Solution

The fourth proportional to 759,240.62, 1,138,630.87 and 399,217.46 is: 598,705.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,240.62 : 1,138,630.87 = 399,217.46 : x
  2. Step 2: Convert to fraction form
    759,240.62/1,138,630.87 = 399,217.46/x
  3. Step 3: Cross multiply
    759,240.62x = 1,138,630.87 × 399,217.46
  4. Step 4: Simplify right side
    759,240.62x = 454,561,321,802.90
  5. Step 5: Solve for x
    x = 454,561,321,802.90/759,240.62
  6. Step 6: Final answer
    x = 598,705.22

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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.