Home / 766,679.18-1,150,552.38-317,402.38

Finding the Fourth Proportional to 766,679.18, 1,150,552.38 and 317,402.38

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Solution

The fourth proportional to 766,679.18, 1,150,552.38 and 317,402.38 is: 476,324.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,679.18 : 1,150,552.38 = 317,402.38 : x
  2. Step 2: Convert to fraction form
    766,679.18/1,150,552.38 = 317,402.38/x
  3. Step 3: Cross multiply
    766,679.18x = 1,150,552.38 × 317,402.38
  4. Step 4: Simplify right side
    766,679.18x = 365,188,063,726.66
  5. Step 5: Solve for x
    x = 365,188,063,726.66/766,679.18
  6. Step 6: Final answer
    x = 476,324.48

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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.