Home / 646,957.92-970,436.86-247,721.06

Finding the Fourth Proportional to 646,957.92, 970,436.86 and 247,721.06

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Solution

The fourth proportional to 646,957.92, 970,436.86 and 247,721.06 is: 371,581.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,957.92 : 970,436.86 = 247,721.06 : x
  2. Step 2: Convert to fraction form
    646,957.92/970,436.86 = 247,721.06/x
  3. Step 3: Cross multiply
    646,957.92x = 970,436.86 × 247,721.06
  4. Step 4: Simplify right side
    646,957.92x = 240,397,647,622.27
  5. Step 5: Solve for x
    x = 240,397,647,622.27/646,957.92
  6. Step 6: Final answer
    x = 371,581.58

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Similar ratio
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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.