Home / 739,104.90-1,108,657.35-579,672.60

Finding the Fourth Proportional to 739,104.90, 1,108,657.35 and 579,672.60

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Solution

The fourth proportional to 739,104.90, 1,108,657.35 and 579,672.60 is: 869,508.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,104.90 : 1,108,657.35 = 579,672.60 : x
  2. Step 2: Convert to fraction form
    739,104.90/1,108,657.35 = 579,672.60/x
  3. Step 3: Cross multiply
    739,104.90x = 1,108,657.35 × 579,672.60
  4. Step 4: Simplify right side
    739,104.90x = 642,658,288,583.61
  5. Step 5: Solve for x
    x = 642,658,288,583.61/739,104.90
  6. Step 6: Final answer
    x = 869,508.90

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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.