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Finding the Fourth Proportional to 597,779.20, 897,705.60 and 579,116.80

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Solution

The fourth proportional to 597,779.20, 897,705.60 and 579,116.80 is: 869,679.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,779.20 : 897,705.60 = 579,116.80 : x
  2. Step 2: Convert to fraction form
    597,779.20/897,705.60 = 579,116.80/x
  3. Step 3: Cross multiply
    597,779.20x = 897,705.60 × 579,116.80
  4. Step 4: Simplify right side
    597,779.20x = 519,876,394,414.08
  5. Step 5: Solve for x
    x = 519,876,394,414.08/597,779.20
  6. Step 6: Final answer
    x = 869,679.63

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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.