Home / 767,979.30-1,149,344.55-673,500.90

Finding the Fourth Proportional to 767,979.30, 1,149,344.55 and 673,500.90

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Solution

The fourth proportional to 767,979.30, 1,149,344.55 and 673,500.90 is: 1,007,949.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,979.30 : 1,149,344.55 = 673,500.90 : x
  2. Step 2: Convert to fraction form
    767,979.30/1,149,344.55 = 673,500.90/x
  3. Step 3: Cross multiply
    767,979.30x = 1,149,344.55 × 673,500.90
  4. Step 4: Simplify right side
    767,979.30x = 774,084,588,835.10
  5. Step 5: Solve for x
    x = 774,084,588,835.10/767,979.30
  6. Step 6: Final answer
    x = 1,007,949.81

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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.