Home / 862,352.83-1,293,778.92-356,820.49

Finding the Fourth Proportional to 862,352.83, 1,293,778.92 and 356,820.49

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Solution

The fourth proportional to 862,352.83, 1,293,778.92 and 356,820.49 is: 535,334.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,352.83 : 1,293,778.92 = 356,820.49 : x
  2. Step 2: Convert to fraction form
    862,352.83/1,293,778.92 = 356,820.49/x
  3. Step 3: Cross multiply
    862,352.83x = 1,293,778.92 × 356,820.49
  4. Step 4: Simplify right side
    862,352.83x = 461,646,821,717.18
  5. Step 5: Solve for x
    x = 461,646,821,717.18/862,352.83
  6. Step 6: Final answer
    x = 535,334.04

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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.