Home / 788,023.17-1,181,917.19-219,344.85

Finding the Fourth Proportional to 788,023.17, 1,181,917.19 and 219,344.85

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Solution

The fourth proportional to 788,023.17, 1,181,917.19 and 219,344.85 is: 328,984.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,023.17 : 1,181,917.19 = 219,344.85 : x
  2. Step 2: Convert to fraction form
    788,023.17/1,181,917.19 = 219,344.85/x
  3. Step 3: Cross multiply
    788,023.17x = 1,181,917.19 × 219,344.85
  4. Step 4: Simplify right side
    788,023.17x = 259,247,447,656.25
  5. Step 5: Solve for x
    x = 259,247,447,656.25/788,023.17
  6. Step 6: Final answer
    x = 328,984.55

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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.