Home / 674,917.46-1,012,873.52-319,930.10

Finding the Fourth Proportional to 674,917.46, 1,012,873.52 and 319,930.10

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Solution

The fourth proportional to 674,917.46, 1,012,873.52 and 319,930.10 is: 480,130.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,917.46 : 1,012,873.52 = 319,930.10 : x
  2. Step 2: Convert to fraction form
    674,917.46/1,012,873.52 = 319,930.10/x
  3. Step 3: Cross multiply
    674,917.46x = 1,012,873.52 × 319,930.10
  4. Step 4: Simplify right side
    674,917.46x = 324,048,722,276.41
  5. Step 5: Solve for x
    x = 324,048,722,276.41/674,917.46
  6. Step 6: Final answer
    x = 480,130.90

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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.