Home / 777,025.34-1,165,685.64-271,729.94

Finding the Fourth Proportional to 777,025.34, 1,165,685.64 and 271,729.94

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Solution

The fourth proportional to 777,025.34, 1,165,685.64 and 271,729.94 is: 407,646.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,025.34 : 1,165,685.64 = 271,729.94 : x
  2. Step 2: Convert to fraction form
    777,025.34/1,165,685.64 = 271,729.94/x
  3. Step 3: Cross multiply
    777,025.34x = 1,165,685.64 × 271,729.94
  4. Step 4: Simplify right side
    777,025.34x = 316,751,689,016.06
  5. Step 5: Solve for x
    x = 316,751,689,016.06/777,025.34
  6. Step 6: Final answer
    x = 407,646.54

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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.