Home / 726,230.80-1,002,184.10-403,933.96

Finding the Fourth Proportional to 726,230.80, 1,002,184.10 and 403,933.96

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Solution

The fourth proportional to 726,230.80, 1,002,184.10 and 403,933.96 is: 557,420.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,230.80 : 1,002,184.10 = 403,933.96 : x
  2. Step 2: Convert to fraction form
    726,230.80/1,002,184.10 = 403,933.96/x
  3. Step 3: Cross multiply
    726,230.80x = 1,002,184.10 × 403,933.96
  4. Step 4: Simplify right side
    726,230.80x = 404,816,192,162.04
  5. Step 5: Solve for x
    x = 404,816,192,162.04/726,230.80
  6. Step 6: Final answer
    x = 557,420.85

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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.