Home / 575,779.70-794,577.05-321,147.29

Finding the Fourth Proportional to 575,779.70, 794,577.05 and 321,147.29

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Solution

The fourth proportional to 575,779.70, 794,577.05 and 321,147.29 is: 443,183.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,779.70 : 794,577.05 = 321,147.29 : x
  2. Step 2: Convert to fraction form
    575,779.70/794,577.05 = 321,147.29/x
  3. Step 3: Cross multiply
    575,779.70x = 794,577.05 × 321,147.29
  4. Step 4: Simplify right side
    575,779.70x = 255,176,260,725.07
  5. Step 5: Solve for x
    x = 255,176,260,725.07/575,779.70
  6. Step 6: Final answer
    x = 443,183.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.