Home / 674,558.20-1,011,339.15-408,260.17

Finding the Fourth Proportional to 674,558.20, 1,011,339.15 and 408,260.17

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Solution

The fourth proportional to 674,558.20, 1,011,339.15 and 408,260.17 is: 612,088.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,558.20 : 1,011,339.15 = 408,260.17 : x
  2. Step 2: Convert to fraction form
    674,558.20/1,011,339.15 = 408,260.17/x
  3. Step 3: Cross multiply
    674,558.20x = 1,011,339.15 × 408,260.17
  4. Step 4: Simplify right side
    674,558.20x = 412,889,493,306.66
  5. Step 5: Solve for x
    x = 412,889,493,306.66/674,558.20
  6. Step 6: Final answer
    x = 612,088.76

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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.