Home / 881,710.80-1,320,816.60-481,765.20

Finding the Fourth Proportional to 881,710.80, 1,320,816.60 and 481,765.20

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Solution

The fourth proportional to 881,710.80, 1,320,816.60 and 481,765.20 is: 721,691.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,710.80 : 1,320,816.60 = 481,765.20 : x
  2. Step 2: Convert to fraction form
    881,710.80/1,320,816.60 = 481,765.20/x
  3. Step 3: Cross multiply
    881,710.80x = 1,320,816.60 × 481,765.20
  4. Step 4: Simplify right side
    881,710.80x = 636,323,473,462.32
  5. Step 5: Solve for x
    x = 636,323,473,462.32/881,710.80
  6. Step 6: Final answer
    x = 721,691.82

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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.