Home / 674,620.70-1,011,347.85-408,098.30

Finding the Fourth Proportional to 674,620.70, 1,011,347.85 and 408,098.30

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Solution

The fourth proportional to 674,620.70, 1,011,347.85 and 408,098.30 is: 611,794.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,620.70 : 1,011,347.85 = 408,098.30 : x
  2. Step 2: Convert to fraction form
    674,620.70/1,011,347.85 = 408,098.30/x
  3. Step 3: Cross multiply
    674,620.70x = 1,011,347.85 × 408,098.30
  4. Step 4: Simplify right side
    674,620.70x = 412,729,338,293.66
  5. Step 5: Solve for x
    x = 412,729,338,293.66/674,620.70
  6. Step 6: Final answer
    x = 611,794.65

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1.5x scale

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.