Home / 787,847.12-1,181,672.02-219,270.88

Finding the Fourth Proportional to 787,847.12, 1,181,672.02 and 219,270.88

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Solution

The fourth proportional to 787,847.12, 1,181,672.02 and 219,270.88 is: 328,878.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,847.12 : 1,181,672.02 = 219,270.88 : x
  2. Step 2: Convert to fraction form
    787,847.12/1,181,672.02 = 219,270.88/x
  3. Step 3: Cross multiply
    787,847.12x = 1,181,672.02 × 219,270.88
  4. Step 4: Simplify right side
    787,847.12x = 259,106,263,696.78
  5. Step 5: Solve for x
    x = 259,106,263,696.78/787,847.12
  6. Step 6: Final answer
    x = 328,878.86

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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.