Home / 784,843.60-1,177,265.40-545,695.15

Finding the Fourth Proportional to 784,843.60, 1,177,265.40 and 545,695.15

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Solution

The fourth proportional to 784,843.60, 1,177,265.40 and 545,695.15 is: 818,542.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,843.60 : 1,177,265.40 = 545,695.15 : x
  2. Step 2: Convert to fraction form
    784,843.60/1,177,265.40 = 545,695.15/x
  3. Step 3: Cross multiply
    784,843.60x = 1,177,265.40 × 545,695.15
  4. Step 4: Simplify right side
    784,843.60x = 642,428,019,042.81
  5. Step 5: Solve for x
    x = 642,428,019,042.81/784,843.60
  6. Step 6: Final answer
    x = 818,542.73

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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.