Home / 917,339.80-1,374,843.30-443,003.80

Finding the Fourth Proportional to 917,339.80, 1,374,843.30 and 443,003.80

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Solution

The fourth proportional to 917,339.80, 1,374,843.30 and 443,003.80 is: 663,942.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,339.80 : 1,374,843.30 = 443,003.80 : x
  2. Step 2: Convert to fraction form
    917,339.80/1,374,843.30 = 443,003.80/x
  3. Step 3: Cross multiply
    917,339.80x = 1,374,843.30 × 443,003.80
  4. Step 4: Simplify right side
    917,339.80x = 609,060,806,304.54
  5. Step 5: Solve for x
    x = 609,060,806,304.54/917,339.80
  6. Step 6: Final answer
    x = 663,942.42

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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.