Home / 765,962.34-1,149,653.44-387,147.04

Finding the Fourth Proportional to 765,962.34, 1,149,653.44 and 387,147.04

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Solution

The fourth proportional to 765,962.34, 1,149,653.44 and 387,147.04 is: 581,079.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,962.34 : 1,149,653.44 = 387,147.04 : x
  2. Step 2: Convert to fraction form
    765,962.34/1,149,653.44 = 387,147.04/x
  3. Step 3: Cross multiply
    765,962.34x = 1,149,653.44 × 387,147.04
  4. Step 4: Simplify right side
    765,962.34x = 445,084,926,321.82
  5. Step 5: Solve for x
    x = 445,084,926,321.82/765,962.34
  6. Step 6: Final answer
    x = 581,079.39

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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.