Home / 925,250.82-1,387,895.25-285,554.95

Finding the Fourth Proportional to 925,250.82, 1,387,895.25 and 285,554.95

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Solution

The fourth proportional to 925,250.82, 1,387,895.25 and 285,554.95 is: 428,338.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,250.82 : 1,387,895.25 = 285,554.95 : x
  2. Step 2: Convert to fraction form
    925,250.82/1,387,895.25 = 285,554.95/x
  3. Step 3: Cross multiply
    925,250.82x = 1,387,895.25 × 285,554.95
  4. Step 4: Simplify right side
    925,250.82x = 396,320,353,087.84
  5. Step 5: Solve for x
    x = 396,320,353,087.84/925,250.82
  6. Step 6: Final answer
    x = 428,338.29

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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.