Home / 881,021.10-1,321,531.65-282,001.80

Finding the Fourth Proportional to 881,021.10, 1,321,531.65 and 282,001.80

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Solution

The fourth proportional to 881,021.10, 1,321,531.65 and 282,001.80 is: 423,002.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,021.10 : 1,321,531.65 = 282,001.80 : x
  2. Step 2: Convert to fraction form
    881,021.10/1,321,531.65 = 282,001.80/x
  3. Step 3: Cross multiply
    881,021.10x = 1,321,531.65 × 282,001.80
  4. Step 4: Simplify right side
    881,021.10x = 372,674,304,056.97
  5. Step 5: Solve for x
    x = 372,674,304,056.97/881,021.10
  6. Step 6: Final answer
    x = 423,002.70

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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.