Home / 673,188.12-1,008,819.90-494,291.52

Finding the Fourth Proportional to 673,188.12, 1,008,819.90 and 494,291.52

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Solution

The fourth proportional to 673,188.12, 1,008,819.90 and 494,291.52 is: 740,730.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,188.12 : 1,008,819.90 = 494,291.52 : x
  2. Step 2: Convert to fraction form
    673,188.12/1,008,819.90 = 494,291.52/x
  3. Step 3: Cross multiply
    673,188.12x = 1,008,819.90 × 494,291.52
  4. Step 4: Simplify right side
    673,188.12x = 498,651,121,777.25
  5. Step 5: Solve for x
    x = 498,651,121,777.25/673,188.12
  6. Step 6: Final answer
    x = 740,730.72

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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.