Home / 881,221.51-1,321,902.30-375,786.80

Finding the Fourth Proportional to 881,221.51, 1,321,902.30 and 375,786.80

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Solution

The fourth proportional to 881,221.51, 1,321,902.30 and 375,786.80 is: 563,710.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,221.51 : 1,321,902.30 = 375,786.80 : x
  2. Step 2: Convert to fraction form
    881,221.51/1,321,902.30 = 375,786.80/x
  3. Step 3: Cross multiply
    881,221.51x = 1,321,902.30 × 375,786.80
  4. Step 4: Simplify right side
    881,221.51x = 496,753,435,229.64
  5. Step 5: Solve for x
    x = 496,753,435,229.64/881,221.51
  6. Step 6: Final answer
    x = 563,710.07

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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.