Home / 843,175.59-1,265,261.67-311,070.39

Finding the Fourth Proportional to 843,175.59, 1,265,261.67 and 311,070.39

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Solution

The fourth proportional to 843,175.59, 1,265,261.67 and 311,070.39 is: 466,789.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,175.59 : 1,265,261.67 = 311,070.39 : x
  2. Step 2: Convert to fraction form
    843,175.59/1,265,261.67 = 311,070.39/x
  3. Step 3: Cross multiply
    843,175.59x = 1,265,261.67 × 311,070.39
  4. Step 4: Simplify right side
    843,175.59x = 393,585,441,138.95
  5. Step 5: Solve for x
    x = 393,585,441,138.95/843,175.59
  6. Step 6: Final answer
    x = 466,789.42

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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.