Home / 753,959.04-1,131,307.68-354,640.44

Finding the Fourth Proportional to 753,959.04, 1,131,307.68 and 354,640.44

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Solution

The fourth proportional to 753,959.04, 1,131,307.68 and 354,640.44 is: 532,134.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,959.04 : 1,131,307.68 = 354,640.44 : x
  2. Step 2: Convert to fraction form
    753,959.04/1,131,307.68 = 354,640.44/x
  3. Step 3: Cross multiply
    753,959.04x = 1,131,307.68 × 354,640.44
  4. Step 4: Simplify right side
    753,959.04x = 401,207,453,410.58
  5. Step 5: Solve for x
    x = 401,207,453,410.58/753,959.04
  6. Step 6: Final answer
    x = 532,134.28

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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.