Home / 612,508.03-919,076.33-252,945.79

Finding the Fourth Proportional to 612,508.03, 919,076.33 and 252,945.79

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Solution

The fourth proportional to 612,508.03, 919,076.33 and 252,945.79 is: 379,548.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,508.03 : 919,076.33 = 252,945.79 : x
  2. Step 2: Convert to fraction form
    612,508.03/919,076.33 = 252,945.79/x
  3. Step 3: Cross multiply
    612,508.03x = 919,076.33 × 252,945.79
  4. Step 4: Simplify right side
    612,508.03x = 232,476,488,362.15
  5. Step 5: Solve for x
    x = 232,476,488,362.15/612,508.03
  6. Step 6: Final answer
    x = 379,548.47

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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.