Home / 851,585.56-1,175,134.38-488,754.04

Finding the Fourth Proportional to 851,585.56, 1,175,134.38 and 488,754.04

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Solution

The fourth proportional to 851,585.56, 1,175,134.38 and 488,754.04 is: 674,449.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,585.56 : 1,175,134.38 = 488,754.04 : x
  2. Step 2: Convert to fraction form
    851,585.56/1,175,134.38 = 488,754.04/x
  3. Step 3: Cross multiply
    851,585.56x = 1,175,134.38 × 488,754.04
  4. Step 4: Simplify right side
    851,585.56x = 574,351,675,767.90
  5. Step 5: Solve for x
    x = 574,351,675,767.90/851,585.56
  6. Step 6: Final answer
    x = 674,449.76

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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.