Home / 485,052.16-727,636.56-248,331.28

Finding the Fourth Proportional to 485,052.16, 727,636.56 and 248,331.28

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Solution

The fourth proportional to 485,052.16, 727,636.56 and 248,331.28 is: 372,526.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,052.16 : 727,636.56 = 248,331.28 : x
  2. Step 2: Convert to fraction form
    485,052.16/727,636.56 = 248,331.28/x
  3. Step 3: Cross multiply
    485,052.16x = 727,636.56 × 248,331.28
  4. Step 4: Simplify right side
    485,052.16x = 180,694,918,319.60
  5. Step 5: Solve for x
    x = 180,694,918,319.60/485,052.16
  6. Step 6: Final answer
    x = 372,526.78

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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.