Home / 681,937.20-1,023,525.45-345,212.10

Finding the Fourth Proportional to 681,937.20, 1,023,525.45 and 345,212.10

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Solution

The fourth proportional to 681,937.20, 1,023,525.45 and 345,212.10 is: 518,131.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,937.20 : 1,023,525.45 = 345,212.10 : x
  2. Step 2: Convert to fraction form
    681,937.20/1,023,525.45 = 345,212.10/x
  3. Step 3: Cross multiply
    681,937.20x = 1,023,525.45 × 345,212.10
  4. Step 4: Simplify right side
    681,937.20x = 353,333,369,997.95
  5. Step 5: Solve for x
    x = 353,333,369,997.95/681,937.20
  6. Step 6: Final answer
    x = 518,131.83

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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.