Home / 776,382.13-1,164,760.07-327,231.46

Finding the Fourth Proportional to 776,382.13, 1,164,760.07 and 327,231.46

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Solution

The fourth proportional to 776,382.13, 1,164,760.07 and 327,231.46 is: 490,925.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,382.13 : 1,164,760.07 = 327,231.46 : x
  2. Step 2: Convert to fraction form
    776,382.13/1,164,760.07 = 327,231.46/x
  3. Step 3: Cross multiply
    776,382.13x = 1,164,760.07 × 327,231.46
  4. Step 4: Simplify right side
    776,382.13x = 381,146,138,255.80
  5. Step 5: Solve for x
    x = 381,146,138,255.80/776,382.13
  6. Step 6: Final answer
    x = 490,925.95

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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.