Home / 641,436.22-885,182.33-351,047.62

Finding the Fourth Proportional to 641,436.22, 885,182.33 and 351,047.62

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Solution

The fourth proportional to 641,436.22, 885,182.33 and 351,047.62 is: 484,445.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,436.22 : 885,182.33 = 351,047.62 : x
  2. Step 2: Convert to fraction form
    641,436.22/885,182.33 = 351,047.62/x
  3. Step 3: Cross multiply
    641,436.22x = 885,182.33 × 351,047.62
  4. Step 4: Simplify right side
    641,436.22x = 310,741,150,212.56
  5. Step 5: Solve for x
    x = 310,741,150,212.56/641,436.22
  6. Step 6: Final answer
    x = 484,445.91

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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.