Home / 829,206.80-1,243,810.20-268,241.30

Finding the Fourth Proportional to 829,206.80, 1,243,810.20 and 268,241.30

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Solution

The fourth proportional to 829,206.80, 1,243,810.20 and 268,241.30 is: 402,361.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,206.80 : 1,243,810.20 = 268,241.30 : x
  2. Step 2: Convert to fraction form
    829,206.80/1,243,810.20 = 268,241.30/x
  3. Step 3: Cross multiply
    829,206.80x = 1,243,810.20 × 268,241.30
  4. Step 4: Simplify right side
    829,206.80x = 333,641,265,001.26
  5. Step 5: Solve for x
    x = 333,641,265,001.26/829,206.80
  6. Step 6: Final answer
    x = 402,361.95

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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.