Home / 823,829.29-1,235,941.22-343,790.06

Finding the Fourth Proportional to 823,829.29, 1,235,941.22 and 343,790.06

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Solution

The fourth proportional to 823,829.29, 1,235,941.22 and 343,790.06 is: 515,767.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,829.29 : 1,235,941.22 = 343,790.06 : x
  2. Step 2: Convert to fraction form
    823,829.29/1,235,941.22 = 343,790.06/x
  3. Step 3: Cross multiply
    823,829.29x = 1,235,941.22 × 343,790.06
  4. Step 4: Simplify right side
    823,829.29x = 424,904,298,281.62
  5. Step 5: Solve for x
    x = 424,904,298,281.62/823,829.29
  6. Step 6: Final answer
    x = 515,767.41

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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.