Home / 767,930.88-1,151,891.40-413,112

Finding the Fourth Proportional to 767,930.88, 1,151,891.40 and 413,112

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Solution

The fourth proportional to 767,930.88, 1,151,891.40 and 413,112 is: 619,665.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,930.88 : 1,151,891.40 = 413,112 : x
  2. Step 2: Convert to fraction form
    767,930.88/1,151,891.40 = 413,112/x
  3. Step 3: Cross multiply
    767,930.88x = 1,151,891.40 × 413,112
  4. Step 4: Simplify right side
    767,930.88x = 475,860,160,036.80
  5. Step 5: Solve for x
    x = 475,860,160,036.80/767,930.88
  6. Step 6: Final answer
    x = 619,665.35

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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.