Home / 418,732.28-577,604.52-263,436.68

Finding the Fourth Proportional to 418,732.28, 577,604.52 and 263,436.68

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Solution

The fourth proportional to 418,732.28, 577,604.52 and 263,436.68 is: 363,387.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,732.28 : 577,604.52 = 263,436.68 : x
  2. Step 2: Convert to fraction form
    418,732.28/577,604.52 = 263,436.68/x
  3. Step 3: Cross multiply
    418,732.28x = 577,604.52 × 263,436.68
  4. Step 4: Simplify right side
    418,732.28x = 152,162,217,101.79
  5. Step 5: Solve for x
    x = 152,162,217,101.79/418,732.28
  6. Step 6: Final answer
    x = 363,387.84

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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.