Home / 723,884.56-999,049.29-417,960.43

Finding the Fourth Proportional to 723,884.56, 999,049.29 and 417,960.43

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Solution

The fourth proportional to 723,884.56, 999,049.29 and 417,960.43 is: 576,836.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,884.56 : 999,049.29 = 417,960.43 : x
  2. Step 2: Convert to fraction form
    723,884.56/999,049.29 = 417,960.43/x
  3. Step 3: Cross multiply
    723,884.56x = 999,049.29 × 417,960.43
  4. Step 4: Simplify right side
    723,884.56x = 417,563,070,839.60
  5. Step 5: Solve for x
    x = 417,563,070,839.60/723,884.56
  6. Step 6: Final answer
    x = 576,836.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.