Home / 741,026.52-1,022,603.17-418,729.73

Finding the Fourth Proportional to 741,026.52, 1,022,603.17 and 418,729.73

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Solution

The fourth proportional to 741,026.52, 1,022,603.17 and 418,729.73 is: 577,839.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,026.52 : 1,022,603.17 = 418,729.73 : x
  2. Step 2: Convert to fraction form
    741,026.52/1,022,603.17 = 418,729.73/x
  3. Step 3: Cross multiply
    741,026.52x = 1,022,603.17 × 418,729.73
  4. Step 4: Simplify right side
    741,026.52x = 428,194,349,271.24
  5. Step 5: Solve for x
    x = 428,194,349,271.24/741,026.52
  6. Step 6: Final answer
    x = 577,839.44

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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.