Home / 851,593.44-1,276,255.31-402,433.56

Finding the Fourth Proportional to 851,593.44, 1,276,255.31 and 402,433.56

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Solution

The fourth proportional to 851,593.44, 1,276,255.31 and 402,433.56 is: 603,114.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,593.44 : 1,276,255.31 = 402,433.56 : x
  2. Step 2: Convert to fraction form
    851,593.44/1,276,255.31 = 402,433.56/x
  3. Step 3: Cross multiply
    851,593.44x = 1,276,255.31 × 402,433.56
  4. Step 4: Simplify right side
    851,593.44x = 513,607,965,860.04
  5. Step 5: Solve for x
    x = 513,607,965,860.04/851,593.44
  6. Step 6: Final answer
    x = 603,114.05

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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.