Home / 850,643.30-1,275,531.20-281,819.18

Finding the Fourth Proportional to 850,643.30, 1,275,531.20 and 281,819.18

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Solution

The fourth proportional to 850,643.30, 1,275,531.20 and 281,819.18 is: 422,585.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,643.30 : 1,275,531.20 = 281,819.18 : x
  2. Step 2: Convert to fraction form
    850,643.30/1,275,531.20 = 281,819.18/x
  3. Step 3: Cross multiply
    850,643.30x = 1,275,531.20 × 281,819.18
  4. Step 4: Simplify right side
    850,643.30x = 359,469,159,684.97
  5. Step 5: Solve for x
    x = 359,469,159,684.97/850,643.30
  6. Step 6: Final answer
    x = 422,585.07

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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.