Home / 726,766.01-1,002,711.34-412,386.28

Finding the Fourth Proportional to 726,766.01, 1,002,711.34 and 412,386.28

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Solution

The fourth proportional to 726,766.01, 1,002,711.34 and 412,386.28 is: 568,964.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,766.01 : 1,002,711.34 = 412,386.28 : x
  2. Step 2: Convert to fraction form
    726,766.01/1,002,711.34 = 412,386.28/x
  3. Step 3: Cross multiply
    726,766.01x = 1,002,711.34 × 412,386.28
  4. Step 4: Simplify right side
    726,766.01x = 413,504,399,416.42
  5. Step 5: Solve for x
    x = 413,504,399,416.42/726,766.01
  6. Step 6: Final answer
    x = 568,964.97

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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.