Home / 674,919.20-1,013,034.90-409,198.70

Finding the Fourth Proportional to 674,919.20, 1,013,034.90 and 409,198.70

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Solution

The fourth proportional to 674,919.20, 1,013,034.90 and 409,198.70 is: 614,195.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,919.20 : 1,013,034.90 = 409,198.70 : x
  2. Step 2: Convert to fraction form
    674,919.20/1,013,034.90 = 409,198.70/x
  3. Step 3: Cross multiply
    674,919.20x = 1,013,034.90 × 409,198.70
  4. Step 4: Simplify right side
    674,919.20x = 414,532,564,134.63
  5. Step 5: Solve for x
    x = 414,532,564,134.63/674,919.20
  6. Step 6: Final answer
    x = 614,195.84

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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.