Home / 993,481.20-1,489,201.20-487,263.60

Finding the Fourth Proportional to 993,481.20, 1,489,201.20 and 487,263.60

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Solution

The fourth proportional to 993,481.20, 1,489,201.20 and 487,263.60 is: 730,394.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,481.20 : 1,489,201.20 = 487,263.60 : x
  2. Step 2: Convert to fraction form
    993,481.20/1,489,201.20 = 487,263.60/x
  3. Step 3: Cross multiply
    993,481.20x = 1,489,201.20 × 487,263.60
  4. Step 4: Simplify right side
    993,481.20x = 725,633,537,836.32
  5. Step 5: Solve for x
    x = 725,633,537,836.32/993,481.20
  6. Step 6: Final answer
    x = 730,394.84

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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.