Home / 881,020.60-1,321,530.90-282,001.30

Finding the Fourth Proportional to 881,020.60, 1,321,530.90 and 282,001.30

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Solution

The fourth proportional to 881,020.60, 1,321,530.90 and 282,001.30 is: 423,001.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,020.60 : 1,321,530.90 = 282,001.30 : x
  2. Step 2: Convert to fraction form
    881,020.60/1,321,530.90 = 282,001.30/x
  3. Step 3: Cross multiply
    881,020.60x = 1,321,530.90 × 282,001.30
  4. Step 4: Simplify right side
    881,020.60x = 372,673,431,790.17
  5. Step 5: Solve for x
    x = 372,673,431,790.17/881,020.60
  6. Step 6: Final answer
    x = 423,001.95

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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.