Home / 826,580.67-1,240,344.06-321,076.26

Finding the Fourth Proportional to 826,580.67, 1,240,344.06 and 321,076.26

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Solution

The fourth proportional to 826,580.67, 1,240,344.06 and 321,076.26 is: 481,798.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,580.67 : 1,240,344.06 = 321,076.26 : x
  2. Step 2: Convert to fraction form
    826,580.67/1,240,344.06 = 321,076.26/x
  3. Step 3: Cross multiply
    826,580.67x = 1,240,344.06 × 321,076.26
  4. Step 4: Simplify right side
    826,580.67x = 398,245,031,898.02
  5. Step 5: Solve for x
    x = 398,245,031,898.02/826,580.67
  6. Step 6: Final answer
    x = 481,798.14

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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.