Home / 765,836.73-1,149,464.43-387,024.03

Finding the Fourth Proportional to 765,836.73, 1,149,464.43 and 387,024.03

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Solution

The fourth proportional to 765,836.73, 1,149,464.43 and 387,024.03 is: 580,894.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,836.73 : 1,149,464.43 = 387,024.03 : x
  2. Step 2: Convert to fraction form
    765,836.73/1,149,464.43 = 387,024.03/x
  3. Step 3: Cross multiply
    765,836.73x = 1,149,464.43 × 387,024.03
  4. Step 4: Simplify right side
    765,836.73x = 444,870,356,040.25
  5. Step 5: Solve for x
    x = 444,870,356,040.25/765,836.73
  6. Step 6: Final answer
    x = 580,894.52

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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.