Home / 726,276.12-1,002,165.66-403,922.04

Finding the Fourth Proportional to 726,276.12, 1,002,165.66 and 403,922.04

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Solution

The fourth proportional to 726,276.12, 1,002,165.66 and 403,922.04 is: 557,359.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,276.12 : 1,002,165.66 = 403,922.04 : x
  2. Step 2: Convert to fraction form
    726,276.12/1,002,165.66 = 403,922.04/x
  3. Step 3: Cross multiply
    726,276.12x = 1,002,165.66 × 403,922.04
  4. Step 4: Simplify right side
    726,276.12x = 404,796,797,805.15
  5. Step 5: Solve for x
    x = 404,796,797,805.15/726,276.12
  6. Step 6: Final answer
    x = 557,359.37

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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.