Home / 765,101.97-1,055,823.66-442,805.60

Finding the Fourth Proportional to 765,101.97, 1,055,823.66 and 442,805.60

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Solution

The fourth proportional to 765,101.97, 1,055,823.66 and 442,805.60 is: 611,061.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,101.97 : 1,055,823.66 = 442,805.60 : x
  2. Step 2: Convert to fraction form
    765,101.97/1,055,823.66 = 442,805.60/x
  3. Step 3: Cross multiply
    765,101.97x = 1,055,823.66 × 442,805.60
  4. Step 4: Simplify right side
    765,101.97x = 467,524,631,900.06
  5. Step 5: Solve for x
    x = 467,524,631,900.06/765,101.97
  6. Step 6: Final answer
    x = 611,061.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.