Home / 748,392.75-1,122,076.72-268,609.90

Finding the Fourth Proportional to 748,392.75, 1,122,076.72 and 268,609.90

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Solution

The fourth proportional to 748,392.75, 1,122,076.72 and 268,609.90 is: 402,730.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,392.75 : 1,122,076.72 = 268,609.90 : x
  2. Step 2: Convert to fraction form
    748,392.75/1,122,076.72 = 268,609.90/x
  3. Step 3: Cross multiply
    748,392.75x = 1,122,076.72 × 268,609.90
  4. Step 4: Simplify right side
    748,392.75x = 301,400,915,551.53
  5. Step 5: Solve for x
    x = 301,400,915,551.53/748,392.75
  6. Step 6: Final answer
    x = 402,730.94

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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.