Home / 748,287.86-1,122,542.52-274,936.34

Finding the Fourth Proportional to 748,287.86, 1,122,542.52 and 274,936.34

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Solution

The fourth proportional to 748,287.86, 1,122,542.52 and 274,936.34 is: 412,445.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,287.86 : 1,122,542.52 = 274,936.34 : x
  2. Step 2: Convert to fraction form
    748,287.86/1,122,542.52 = 274,936.34/x
  3. Step 3: Cross multiply
    748,287.86x = 1,122,542.52 × 274,936.34
  4. Step 4: Simplify right side
    748,287.86x = 308,627,731,943.18
  5. Step 5: Solve for x
    x = 308,627,731,943.18/748,287.86
  6. Step 6: Final answer
    x = 412,445.19

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1.5x scale

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.