Home / 723,891.60-999,056.64-418,042.56

Finding the Fourth Proportional to 723,891.60, 999,056.64 and 418,042.56

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Solution

The fourth proportional to 723,891.60, 999,056.64 and 418,042.56 is: 576,948.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,891.60 : 999,056.64 = 418,042.56 : x
  2. Step 2: Convert to fraction form
    723,891.60/999,056.64 = 418,042.56/x
  3. Step 3: Cross multiply
    723,891.60x = 999,056.64 × 418,042.56
  4. Step 4: Simplify right side
    723,891.60x = 417,648,195,370.60
  5. Step 5: Solve for x
    x = 417,648,195,370.60/723,891.60
  6. Step 6: Final answer
    x = 576,948.53

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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.