Home / 777,259.54-1,165,889.30-303,612.75

Finding the Fourth Proportional to 777,259.54, 1,165,889.30 and 303,612.75

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Solution

The fourth proportional to 777,259.54, 1,165,889.30 and 303,612.75 is: 455,419.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,259.54 : 1,165,889.30 = 303,612.75 : x
  2. Step 2: Convert to fraction form
    777,259.54/1,165,889.30 = 303,612.75/x
  3. Step 3: Cross multiply
    777,259.54x = 1,165,889.30 × 303,612.75
  4. Step 4: Simplify right side
    777,259.54x = 353,978,856,568.58
  5. Step 5: Solve for x
    x = 353,978,856,568.58/777,259.54
  6. Step 6: Final answer
    x = 455,419.12

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Similar ratio
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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.