Home / 779,882.72-1,169,901.18-324,380.48

Finding the Fourth Proportional to 779,882.72, 1,169,901.18 and 324,380.48

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Solution

The fourth proportional to 779,882.72, 1,169,901.18 and 324,380.48 is: 486,602.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,882.72 : 1,169,901.18 = 324,380.48 : x
  2. Step 2: Convert to fraction form
    779,882.72/1,169,901.18 = 324,380.48/x
  3. Step 3: Cross multiply
    779,882.72x = 1,169,901.18 × 324,380.48
  4. Step 4: Simplify right side
    779,882.72x = 379,493,106,320.97
  5. Step 5: Solve for x
    x = 379,493,106,320.97/779,882.72
  6. Step 6: Final answer
    x = 486,602.79

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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.