Home / 748,206.32-1,122,756.60-274,939.52

Finding the Fourth Proportional to 748,206.32, 1,122,756.60 and 274,939.52

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Solution

The fourth proportional to 748,206.32, 1,122,756.60 and 274,939.52 is: 412,573.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,206.32 : 1,122,756.60 = 274,939.52 : x
  2. Step 2: Convert to fraction form
    748,206.32/1,122,756.60 = 274,939.52/x
  3. Step 3: Cross multiply
    748,206.32x = 1,122,756.60 × 274,939.52
  4. Step 4: Simplify right side
    748,206.32x = 308,690,160,680.83
  5. Step 5: Solve for x
    x = 308,690,160,680.83/748,206.32
  6. Step 6: Final answer
    x = 412,573.58

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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.