Home / 741,026.73-1,022,603.54-418,729.89

Finding the Fourth Proportional to 741,026.73, 1,022,603.54 and 418,729.89

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Solution

The fourth proportional to 741,026.73, 1,022,603.54 and 418,729.89 is: 577,839.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,026.73 : 1,022,603.54 = 418,729.89 : x
  2. Step 2: Convert to fraction form
    741,026.73/1,022,603.54 = 418,729.89/x
  3. Step 3: Cross multiply
    741,026.73x = 1,022,603.54 × 418,729.89
  4. Step 4: Simplify right side
    741,026.73x = 428,194,665,724.16
  5. Step 5: Solve for x
    x = 428,194,665,724.16/741,026.73
  6. Step 6: Final answer
    x = 577,839.70

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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.