Home / 819,159.77-1,228,738.59-220,120.94

Finding the Fourth Proportional to 819,159.77, 1,228,738.59 and 220,120.94

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Solution

The fourth proportional to 819,159.77, 1,228,738.59 and 220,120.94 is: 330,181.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,159.77 : 1,228,738.59 = 220,120.94 : x
  2. Step 2: Convert to fraction form
    819,159.77/1,228,738.59 = 220,120.94/x
  3. Step 3: Cross multiply
    819,159.77x = 1,228,738.59 × 220,120.94
  4. Step 4: Simplify right side
    819,159.77x = 270,471,093,445.08
  5. Step 5: Solve for x
    x = 270,471,093,445.08/819,159.77
  6. Step 6: Final answer
    x = 330,181.12

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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.