Home / 851,531.08-1,278,182.36-627,144.88

Finding the Fourth Proportional to 851,531.08, 1,278,182.36 and 627,144.88

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Solution

The fourth proportional to 851,531.08, 1,278,182.36 and 627,144.88 is: 941,369.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,531.08 : 1,278,182.36 = 627,144.88 : x
  2. Step 2: Convert to fraction form
    851,531.08/1,278,182.36 = 627,144.88/x
  3. Step 3: Cross multiply
    851,531.08x = 1,278,182.36 × 627,144.88
  4. Step 4: Simplify right side
    851,531.08x = 801,605,522,780.32
  5. Step 5: Solve for x
    x = 801,605,522,780.32/851,531.08
  6. Step 6: Final answer
    x = 941,369.66

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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.