Home / 744,994.20-1,117,511.82-272,031.96

Finding the Fourth Proportional to 744,994.20, 1,117,511.82 and 272,031.96

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Solution

The fourth proportional to 744,994.20, 1,117,511.82 and 272,031.96 is: 408,055.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,994.20 : 1,117,511.82 = 272,031.96 : x
  2. Step 2: Convert to fraction form
    744,994.20/1,117,511.82 = 272,031.96/x
  3. Step 3: Cross multiply
    744,994.20x = 1,117,511.82 × 272,031.96
  4. Step 4: Simplify right side
    744,994.20x = 303,998,930,717.77
  5. Step 5: Solve for x
    x = 303,998,930,717.77/744,994.20
  6. Step 6: Final answer
    x = 408,055.43

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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.