Home / 881,021.60-1,321,532.40-282,002.30

Finding the Fourth Proportional to 881,021.60, 1,321,532.40 and 282,002.30

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Solution

The fourth proportional to 881,021.60, 1,321,532.40 and 282,002.30 is: 423,003.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,021.60 : 1,321,532.40 = 282,002.30 : x
  2. Step 2: Convert to fraction form
    881,021.60/1,321,532.40 = 282,002.30/x
  3. Step 3: Cross multiply
    881,021.60x = 1,321,532.40 × 282,002.30
  4. Step 4: Simplify right side
    881,021.60x = 372,675,176,324.52
  5. Step 5: Solve for x
    x = 372,675,176,324.52/881,021.60
  6. Step 6: Final answer
    x = 423,003.45

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Similar ratio
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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.