Home / 765,351.80-1,147,629.92-225,537.28

Finding the Fourth Proportional to 765,351.80, 1,147,629.92 and 225,537.28

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Solution

The fourth proportional to 765,351.80, 1,147,629.92 and 225,537.28 is: 338,188.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,351.80 : 1,147,629.92 = 225,537.28 : x
  2. Step 2: Convert to fraction form
    765,351.80/1,147,629.92 = 225,537.28/x
  3. Step 3: Cross multiply
    765,351.80x = 1,147,629.92 × 225,537.28
  4. Step 4: Simplify right side
    765,351.80x = 258,833,330,603.42
  5. Step 5: Solve for x
    x = 258,833,330,603.42/765,351.80
  6. Step 6: Final answer
    x = 338,188.70

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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.