Home / 807,230.88-1,210,833.36-275,122.44

Finding the Fourth Proportional to 807,230.88, 1,210,833.36 and 275,122.44

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Solution

The fourth proportional to 807,230.88, 1,210,833.36 and 275,122.44 is: 412,679.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,230.88 : 1,210,833.36 = 275,122.44 : x
  2. Step 2: Convert to fraction form
    807,230.88/1,210,833.36 = 275,122.44/x
  3. Step 3: Cross multiply
    807,230.88x = 1,210,833.36 × 275,122.44
  4. Step 4: Simplify right side
    807,230.88x = 333,127,428,436.60
  5. Step 5: Solve for x
    x = 333,127,428,436.60/807,230.88
  6. Step 6: Final answer
    x = 412,679.24

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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.