Home / 485,324.30-727,986.45-169,748.30

Finding the Fourth Proportional to 485,324.30, 727,986.45 and 169,748.30

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Solution

The fourth proportional to 485,324.30, 727,986.45 and 169,748.30 is: 254,622.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,324.30 : 727,986.45 = 169,748.30 : x
  2. Step 2: Convert to fraction form
    485,324.30/727,986.45 = 169,748.30/x
  3. Step 3: Cross multiply
    485,324.30x = 727,986.45 × 169,748.30
  4. Step 4: Simplify right side
    485,324.30x = 123,574,462,310.54
  5. Step 5: Solve for x
    x = 123,574,462,310.54/485,324.30
  6. Step 6: Final answer
    x = 254,622.45

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Double scale
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Similar ratio
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1.5x scale

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.