Home / 722,151.72-1,082,193.21-405,943.92

Finding the Fourth Proportional to 722,151.72, 1,082,193.21 and 405,943.92

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Solution

The fourth proportional to 722,151.72, 1,082,193.21 and 405,943.92 is: 608,334.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,151.72 : 1,082,193.21 = 405,943.92 : x
  2. Step 2: Convert to fraction form
    722,151.72/1,082,193.21 = 405,943.92/x
  3. Step 3: Cross multiply
    722,151.72x = 1,082,193.21 × 405,943.92
  4. Step 4: Simplify right side
    722,151.72x = 439,309,753,864.78
  5. Step 5: Solve for x
    x = 439,309,753,864.78/722,151.72
  6. Step 6: Final answer
    x = 608,334.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.