Home / 784,876.10-1,177,314.15-727,139.30

Finding the Fourth Proportional to 784,876.10, 1,177,314.15 and 727,139.30

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Solution

The fourth proportional to 784,876.10, 1,177,314.15 and 727,139.30 is: 1,090,708.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,876.10 : 1,177,314.15 = 727,139.30 : x
  2. Step 2: Convert to fraction form
    784,876.10/1,177,314.15 = 727,139.30/x
  3. Step 3: Cross multiply
    784,876.10x = 1,177,314.15 × 727,139.30
  4. Step 4: Simplify right side
    784,876.10x = 856,071,386,911.10
  5. Step 5: Solve for x
    x = 856,071,386,911.10/784,876.10
  6. Step 6: Final answer
    x = 1,090,708.95

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.