Home / 701,851.80-1,052,777.70-613,278.30

Finding the Fourth Proportional to 701,851.80, 1,052,777.70 and 613,278.30

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Solution

The fourth proportional to 701,851.80, 1,052,777.70 and 613,278.30 is: 919,917.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,851.80 : 1,052,777.70 = 613,278.30 : x
  2. Step 2: Convert to fraction form
    701,851.80/1,052,777.70 = 613,278.30/x
  3. Step 3: Cross multiply
    701,851.80x = 1,052,777.70 × 613,278.30
  4. Step 4: Simplify right side
    701,851.80x = 645,645,718,133.91
  5. Step 5: Solve for x
    x = 645,645,718,133.91/701,851.80
  6. Step 6: Final answer
    x = 919,917.45

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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.