Home / 765,104.21-1,147,720.56-232,629.85

Finding the Fourth Proportional to 765,104.21, 1,147,720.56 and 232,629.85

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Solution

The fourth proportional to 765,104.21, 1,147,720.56 and 232,629.85 is: 348,964.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,104.21 : 1,147,720.56 = 232,629.85 : x
  2. Step 2: Convert to fraction form
    765,104.21/1,147,720.56 = 232,629.85/x
  3. Step 3: Cross multiply
    765,104.21x = 1,147,720.56 × 232,629.85
  4. Step 4: Simplify right side
    765,104.21x = 266,994,055,976.11
  5. Step 5: Solve for x
    x = 266,994,055,976.11/765,104.21
  6. Step 6: Final answer
    x = 348,964.30

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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.