Home / 741,132.42-1,022,649.62-418,724.88

Finding the Fourth Proportional to 741,132.42, 1,022,649.62 and 418,724.88

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Solution

The fourth proportional to 741,132.42, 1,022,649.62 and 418,724.88 is: 577,776.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,132.42 : 1,022,649.62 = 418,724.88 : x
  2. Step 2: Convert to fraction form
    741,132.42/1,022,649.62 = 418,724.88/x
  3. Step 3: Cross multiply
    741,132.42x = 1,022,649.62 × 418,724.88
  4. Step 4: Simplify right side
    741,132.42x = 428,208,833,487.99
  5. Step 5: Solve for x
    x = 428,208,833,487.99/741,132.42
  6. Step 6: Final answer
    x = 577,776.42

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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.