Home / 726,480.24-1,002,455.64-404,108.88

Finding the Fourth Proportional to 726,480.24, 1,002,455.64 and 404,108.88

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Solution

The fourth proportional to 726,480.24, 1,002,455.64 and 404,108.88 is: 557,621.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,480.24 : 1,002,455.64 = 404,108.88 : x
  2. Step 2: Convert to fraction form
    726,480.24/1,002,455.64 = 404,108.88/x
  3. Step 3: Cross multiply
    726,480.24x = 1,002,455.64 × 404,108.88
  4. Step 4: Simplify right side
    726,480.24x = 405,101,225,930.08
  5. Step 5: Solve for x
    x = 405,101,225,930.08/726,480.24
  6. Step 6: Final answer
    x = 557,621.81

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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.