Home / 843,488.30-1,265,231.44-274,868.50

Finding the Fourth Proportional to 843,488.30, 1,265,231.44 and 274,868.50

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Solution

The fourth proportional to 843,488.30, 1,265,231.44 and 274,868.50 is: 412,302.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,488.30 : 1,265,231.44 = 274,868.50 : x
  2. Step 2: Convert to fraction form
    843,488.30/1,265,231.44 = 274,868.50/x
  3. Step 3: Cross multiply
    843,488.30x = 1,265,231.44 × 274,868.50
  4. Step 4: Simplify right side
    843,488.30x = 347,772,268,065.64
  5. Step 5: Solve for x
    x = 347,772,268,065.64/843,488.30
  6. Step 6: Final answer
    x = 412,302.42

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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.