Home / 723,839.60-1,085,053.25-344,658.49

Finding the Fourth Proportional to 723,839.60, 1,085,053.25 and 344,658.49

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Solution

The fourth proportional to 723,839.60, 1,085,053.25 and 344,658.49 is: 516,651.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,839.60 : 1,085,053.25 = 344,658.49 : x
  2. Step 2: Convert to fraction form
    723,839.60/1,085,053.25 = 344,658.49/x
  3. Step 3: Cross multiply
    723,839.60x = 1,085,053.25 × 344,658.49
  4. Step 4: Simplify right side
    723,839.60x = 373,972,812,863.61
  5. Step 5: Solve for x
    x = 373,972,812,863.61/723,839.60
  6. Step 6: Final answer
    x = 516,651.50

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1.5x scale

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.