Home / 982,895.20-1,474,342.80-485,231.20

Finding the Fourth Proportional to 982,895.20, 1,474,342.80 and 485,231.20

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Solution

The fourth proportional to 982,895.20, 1,474,342.80 and 485,231.20 is: 727,846.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,895.20 : 1,474,342.80 = 485,231.20 : x
  2. Step 2: Convert to fraction form
    982,895.20/1,474,342.80 = 485,231.20/x
  3. Step 3: Cross multiply
    982,895.20x = 1,474,342.80 × 485,231.20
  4. Step 4: Simplify right side
    982,895.20x = 715,397,126,055.36
  5. Step 5: Solve for x
    x = 715,397,126,055.36/982,895.20
  6. Step 6: Final answer
    x = 727,846.80

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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.