Home / 748,340.52-1,122,510.78-274,821

Finding the Fourth Proportional to 748,340.52, 1,122,510.78 and 274,821

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Solution

The fourth proportional to 748,340.52, 1,122,510.78 and 274,821 is: 412,231.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,340.52 : 1,122,510.78 = 274,821 : x
  2. Step 2: Convert to fraction form
    748,340.52/1,122,510.78 = 274,821/x
  3. Step 3: Cross multiply
    748,340.52x = 1,122,510.78 × 274,821
  4. Step 4: Simplify right side
    748,340.52x = 308,489,535,070.38
  5. Step 5: Solve for x
    x = 308,489,535,070.38/748,340.52
  6. Step 6: Final answer
    x = 412,231.50

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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.