Home / 650,117.04-897,257.28-395,418.96

Finding the Fourth Proportional to 650,117.04, 897,257.28 and 395,418.96

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Solution

The fourth proportional to 650,117.04, 897,257.28 and 395,418.96 is: 545,736.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,117.04 : 897,257.28 = 395,418.96 : x
  2. Step 2: Convert to fraction form
    650,117.04/897,257.28 = 395,418.96/x
  3. Step 3: Cross multiply
    650,117.04x = 897,257.28 × 395,418.96
  4. Step 4: Simplify right side
    650,117.04x = 354,792,540,510.03
  5. Step 5: Solve for x
    x = 354,792,540,510.03/650,117.04
  6. Step 6: Final answer
    x = 545,736.41

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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.