Home / 881,448.60-1,321,251.30-481,474.20

Finding the Fourth Proportional to 881,448.60, 1,321,251.30 and 481,474.20

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Solution

The fourth proportional to 881,448.60, 1,321,251.30 and 481,474.20 is: 721,707.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,448.60 : 1,321,251.30 = 481,474.20 : x
  2. Step 2: Convert to fraction form
    881,448.60/1,321,251.30 = 481,474.20/x
  3. Step 3: Cross multiply
    881,448.60x = 1,321,251.30 × 481,474.20
  4. Step 4: Simplify right side
    881,448.60x = 636,148,412,666.46
  5. Step 5: Solve for x
    x = 636,148,412,666.46/881,448.60
  6. Step 6: Final answer
    x = 721,707.89

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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.