Home / 748,279.86-1,122,530.52-274,928.34

Finding the Fourth Proportional to 748,279.86, 1,122,530.52 and 274,928.34

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Solution

The fourth proportional to 748,279.86, 1,122,530.52 and 274,928.34 is: 412,433.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,279.86 : 1,122,530.52 = 274,928.34 : x
  2. Step 2: Convert to fraction form
    748,279.86/1,122,530.52 = 274,928.34/x
  3. Step 3: Cross multiply
    748,279.86x = 1,122,530.52 × 274,928.34
  4. Step 4: Simplify right side
    748,279.86x = 308,615,452,462.94
  5. Step 5: Solve for x
    x = 308,615,452,462.94/748,279.86
  6. Step 6: Final answer
    x = 412,433.19

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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.