Home / 664,130.92-996,727.19-344,373.91

Finding the Fourth Proportional to 664,130.92, 996,727.19 and 344,373.91

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Solution

The fourth proportional to 664,130.92, 996,727.19 and 344,373.91 is: 516,836.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,130.92 : 996,727.19 = 344,373.91 : x
  2. Step 2: Convert to fraction form
    664,130.92/996,727.19 = 344,373.91/x
  3. Step 3: Cross multiply
    664,130.92x = 996,727.19 × 344,373.91
  4. Step 4: Simplify right side
    664,130.92x = 343,246,839,623.61
  5. Step 5: Solve for x
    x = 343,246,839,623.61/664,130.92
  6. Step 6: Final answer
    x = 516,836.11

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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.