Home / 726,615.66-1,002,614.04-404,324.76

Finding the Fourth Proportional to 726,615.66, 1,002,614.04 and 404,324.76

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Solution

The fourth proportional to 726,615.66, 1,002,614.04 and 404,324.76 is: 557,903.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,615.66 : 1,002,614.04 = 404,324.76 : x
  2. Step 2: Convert to fraction form
    726,615.66/1,002,614.04 = 404,324.76/x
  3. Step 3: Cross multiply
    726,615.66x = 1,002,614.04 × 404,324.76
  4. Step 4: Simplify right side
    726,615.66x = 405,381,681,095.63
  5. Step 5: Solve for x
    x = 405,381,681,095.63/726,615.66
  6. Step 6: Final answer
    x = 557,903.86

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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.