Home / 776,845.27-1,165,271.55-271,404.06

Finding the Fourth Proportional to 776,845.27, 1,165,271.55 and 271,404.06

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Solution

The fourth proportional to 776,845.27, 1,165,271.55 and 271,404.06 is: 407,107.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,845.27 : 1,165,271.55 = 271,404.06 : x
  2. Step 2: Convert to fraction form
    776,845.27/1,165,271.55 = 271,404.06/x
  3. Step 3: Cross multiply
    776,845.27x = 1,165,271.55 × 271,404.06
  4. Step 4: Simplify right side
    776,845.27x = 316,259,429,672.49
  5. Step 5: Solve for x
    x = 316,259,429,672.49/776,845.27
  6. Step 6: Final answer
    x = 407,107.36

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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.