Home / 726,865.81-1,002,903.23-611,019.72

Finding the Fourth Proportional to 726,865.81, 1,002,903.23 and 611,019.72

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Solution

The fourth proportional to 726,865.81, 1,002,903.23 and 611,019.72 is: 843,062.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,865.81 : 1,002,903.23 = 611,019.72 : x
  2. Step 2: Convert to fraction form
    726,865.81/1,002,903.23 = 611,019.72/x
  3. Step 3: Cross multiply
    726,865.81x = 1,002,903.23 × 611,019.72
  4. Step 4: Simplify right side
    726,865.81x = 612,793,647,726.60
  5. Step 5: Solve for x
    x = 612,793,647,726.60/726,865.81
  6. Step 6: Final answer
    x = 843,062.97

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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.