Home / 881,451.60-1,321,255.80-481,477.20

Finding the Fourth Proportional to 881,451.60, 1,321,255.80 and 481,477.20

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Solution

The fourth proportional to 881,451.60, 1,321,255.80 and 481,477.20 is: 721,712.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,451.60 : 1,321,255.80 = 481,477.20 : x
  2. Step 2: Convert to fraction form
    881,451.60/1,321,255.80 = 481,477.20/x
  3. Step 3: Cross multiply
    881,451.60x = 1,321,255.80 × 481,477.20
  4. Step 4: Simplify right side
    881,451.60x = 636,154,543,067.76
  5. Step 5: Solve for x
    x = 636,154,543,067.76/881,451.60
  6. Step 6: Final answer
    x = 721,712.39

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1.5x scale

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.