Home / 456,789.84-684,948.68-200,517.53

Finding the Fourth Proportional to 456,789.84, 684,948.68 and 200,517.53

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Solution

The fourth proportional to 456,789.84, 684,948.68 and 200,517.53 is: 300,672.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,789.84 : 684,948.68 = 200,517.53 : x
  2. Step 2: Convert to fraction form
    456,789.84/684,948.68 = 200,517.53/x
  3. Step 3: Cross multiply
    456,789.84x = 684,948.68 × 200,517.53
  4. Step 4: Simplify right side
    456,789.84x = 137,344,213,110.02
  5. Step 5: Solve for x
    x = 137,344,213,110.02/456,789.84
  6. Step 6: Final answer
    x = 300,672.65

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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.