Home / 674,471.80-1,011,764.94-275,139.64

Finding the Fourth Proportional to 674,471.80, 1,011,764.94 and 275,139.64

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Solution

The fourth proportional to 674,471.80, 1,011,764.94 and 275,139.64 is: 412,732.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,471.80 : 1,011,764.94 = 275,139.64 : x
  2. Step 2: Convert to fraction form
    674,471.80/1,011,764.94 = 275,139.64/x
  3. Step 3: Cross multiply
    674,471.80x = 1,011,764.94 × 275,139.64
  4. Step 4: Simplify right side
    674,471.80x = 278,376,641,356.22
  5. Step 5: Solve for x
    x = 278,376,641,356.22/674,471.80
  6. Step 6: Final answer
    x = 412,732.81

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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.