Home / 843,810.80-1,265,716.20-252,834.80

Finding the Fourth Proportional to 843,810.80, 1,265,716.20 and 252,834.80

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Solution

The fourth proportional to 843,810.80, 1,265,716.20 and 252,834.80 is: 379,252.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,810.80 : 1,265,716.20 = 252,834.80 : x
  2. Step 2: Convert to fraction form
    843,810.80/1,265,716.20 = 252,834.80/x
  3. Step 3: Cross multiply
    843,810.80x = 1,265,716.20 × 252,834.80
  4. Step 4: Simplify right side
    843,810.80x = 320,017,102,283.76
  5. Step 5: Solve for x
    x = 320,017,102,283.76/843,810.80
  6. Step 6: Final answer
    x = 379,252.20

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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.