Home / 793,211.08-1,189,408.38-319,769.32

Finding the Fourth Proportional to 793,211.08, 1,189,408.38 and 319,769.32

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Solution

The fourth proportional to 793,211.08, 1,189,408.38 and 319,769.32 is: 479,489.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,211.08 : 1,189,408.38 = 319,769.32 : x
  2. Step 2: Convert to fraction form
    793,211.08/1,189,408.38 = 319,769.32/x
  3. Step 3: Cross multiply
    793,211.08x = 1,189,408.38 × 319,769.32
  4. Step 4: Simplify right side
    793,211.08x = 380,336,308,874.90
  5. Step 5: Solve for x
    x = 380,336,308,874.90/793,211.08
  6. Step 6: Final answer
    x = 479,489.41

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1.5x scale

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.