Home / 807,119.20-1,210,387.20-327,145.60

Finding the Fourth Proportional to 807,119.20, 1,210,387.20 and 327,145.60

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Solution

The fourth proportional to 807,119.20, 1,210,387.20 and 327,145.60 is: 490,600.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,119.20 : 1,210,387.20 = 327,145.60 : x
  2. Step 2: Convert to fraction form
    807,119.20/1,210,387.20 = 327,145.60/x
  3. Step 3: Cross multiply
    807,119.20x = 1,210,387.20 × 327,145.60
  4. Step 4: Simplify right side
    807,119.20x = 395,972,846,776.32
  5. Step 5: Solve for x
    x = 395,972,846,776.32/807,119.20
  6. Step 6: Final answer
    x = 490,600.21

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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.