Home / 752,540.72-1,129,180.08-353,214

Finding the Fourth Proportional to 752,540.72, 1,129,180.08 and 353,214

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Solution

The fourth proportional to 752,540.72, 1,129,180.08 and 353,214 is: 529,994.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,540.72 : 1,129,180.08 = 353,214 : x
  2. Step 2: Convert to fraction form
    752,540.72/1,129,180.08 = 353,214/x
  3. Step 3: Cross multiply
    752,540.72x = 1,129,180.08 × 353,214
  4. Step 4: Simplify right side
    752,540.72x = 398,842,212,777.12
  5. Step 5: Solve for x
    x = 398,842,212,777.12/752,540.72
  6. Step 6: Final answer
    x = 529,994.19

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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.