Home / 484,786.30-727,511.60-169,243.20

Finding the Fourth Proportional to 484,786.30, 727,511.60 and 169,243.20

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Solution

The fourth proportional to 484,786.30, 727,511.60 and 169,243.20 is: 253,980.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,786.30 : 727,511.60 = 169,243.20 : x
  2. Step 2: Convert to fraction form
    484,786.30/727,511.60 = 169,243.20/x
  3. Step 3: Cross multiply
    484,786.30x = 727,511.60 × 169,243.20
  4. Step 4: Simplify right side
    484,786.30x = 123,126,391,221.12
  5. Step 5: Solve for x
    x = 123,126,391,221.12/484,786.30
  6. Step 6: Final answer
    x = 253,980.76

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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.