Home / 681,926.60-1,023,520.14-345,203.56

Finding the Fourth Proportional to 681,926.60, 1,023,520.14 and 345,203.56

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Solution

The fourth proportional to 681,926.60, 1,023,520.14 and 345,203.56 is: 518,124.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,926.60 : 1,023,520.14 = 345,203.56 : x
  2. Step 2: Convert to fraction form
    681,926.60/1,023,520.14 = 345,203.56/x
  3. Step 3: Cross multiply
    681,926.60x = 1,023,520.14 × 345,203.56
  4. Step 4: Simplify right side
    681,926.60x = 353,322,796,059.70
  5. Step 5: Solve for x
    x = 353,322,796,059.70/681,926.60
  6. Step 6: Final answer
    x = 518,124.38

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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.