Home / 982,036.80-1,472,968.80-272,001.60

Finding the Fourth Proportional to 982,036.80, 1,472,968.80 and 272,001.60

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Solution

The fourth proportional to 982,036.80, 1,472,968.80 and 272,001.60 is: 407,978.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,036.80 : 1,472,968.80 = 272,001.60 : x
  2. Step 2: Convert to fraction form
    982,036.80/1,472,968.80 = 272,001.60/x
  3. Step 3: Cross multiply
    982,036.80x = 1,472,968.80 × 272,001.60
  4. Step 4: Simplify right side
    982,036.80x = 400,649,870,350.08
  5. Step 5: Solve for x
    x = 400,649,870,350.08/982,036.80
  6. Step 6: Final answer
    x = 407,978.47

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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.