Home / 785,158.59-1,177,712.77-329,990.97

Finding the Fourth Proportional to 785,158.59, 1,177,712.77 and 329,990.97

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Solution

The fourth proportional to 785,158.59, 1,177,712.77 and 329,990.97 is: 494,975.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,158.59 : 1,177,712.77 = 329,990.97 : x
  2. Step 2: Convert to fraction form
    785,158.59/1,177,712.77 = 329,990.97/x
  3. Step 3: Cross multiply
    785,158.59x = 1,177,712.77 × 329,990.97
  4. Step 4: Simplify right side
    785,158.59x = 388,634,577,703.73
  5. Step 5: Solve for x
    x = 388,634,577,703.73/785,158.59
  6. Step 6: Final answer
    x = 494,975.90

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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.