Home / 889,593.60-1,335,091.68-328,788.48

Finding the Fourth Proportional to 889,593.60, 1,335,091.68 and 328,788.48

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Solution

The fourth proportional to 889,593.60, 1,335,091.68 and 328,788.48 is: 493,441.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,593.60 : 1,335,091.68 = 328,788.48 : x
  2. Step 2: Convert to fraction form
    889,593.60/1,335,091.68 = 328,788.48/x
  3. Step 3: Cross multiply
    889,593.60x = 1,335,091.68 × 328,788.48
  4. Step 4: Simplify right side
    889,593.60x = 438,962,764,127.85
  5. Step 5: Solve for x
    x = 438,962,764,127.85/889,593.60
  6. Step 6: Final answer
    x = 493,441.91

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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.