Home / 807,531.66-1,211,485.86-267,748.45

Finding the Fourth Proportional to 807,531.66, 1,211,485.86 and 267,748.45

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Solution

The fourth proportional to 807,531.66, 1,211,485.86 and 267,748.45 is: 401,685.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,531.66 : 1,211,485.86 = 267,748.45 : x
  2. Step 2: Convert to fraction form
    807,531.66/1,211,485.86 = 267,748.45/x
  3. Step 3: Cross multiply
    807,531.66x = 1,211,485.86 × 267,748.45
  4. Step 4: Simplify right side
    807,531.66x = 324,373,458,183.20
  5. Step 5: Solve for x
    x = 324,373,458,183.20/807,531.66
  6. Step 6: Final answer
    x = 401,685.13

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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.