Home / 874,434.15-1,206,687.24-487,229.55

Finding the Fourth Proportional to 874,434.15, 1,206,687.24 and 487,229.55

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Solution

The fourth proportional to 874,434.15, 1,206,687.24 and 487,229.55 is: 672,359.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,434.15 : 1,206,687.24 = 487,229.55 : x
  2. Step 2: Convert to fraction form
    874,434.15/1,206,687.24 = 487,229.55/x
  3. Step 3: Cross multiply
    874,434.15x = 1,206,687.24 × 487,229.55
  4. Step 4: Simplify right side
    874,434.15x = 587,933,680,935.94
  5. Step 5: Solve for x
    x = 587,933,680,935.94/874,434.15
  6. Step 6: Final answer
    x = 672,359.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.