Home / 741,065.52-1,022,689.44-454,743.84

Finding the Fourth Proportional to 741,065.52, 1,022,689.44 and 454,743.84

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Solution

The fourth proportional to 741,065.52, 1,022,689.44 and 454,743.84 is: 627,558.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,065.52 : 1,022,689.44 = 454,743.84 : x
  2. Step 2: Convert to fraction form
    741,065.52/1,022,689.44 = 454,743.84/x
  3. Step 3: Cross multiply
    741,065.52x = 1,022,689.44 × 454,743.84
  4. Step 4: Simplify right side
    741,065.52x = 465,061,723,073.05
  5. Step 5: Solve for x
    x = 465,061,723,073.05/741,065.52
  6. Step 6: Final answer
    x = 627,558.17

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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.