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Finding the Fourth Proportional to 777,323.72, 1,165,750.22 and 271,790.52

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Solution

The fourth proportional to 777,323.72, 1,165,750.22 and 271,790.52 is: 407,603.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,323.72 : 1,165,750.22 = 271,790.52 : x
  2. Step 2: Convert to fraction form
    777,323.72/1,165,750.22 = 271,790.52/x
  3. Step 3: Cross multiply
    777,323.72x = 1,165,750.22 × 271,790.52
  4. Step 4: Simplify right side
    777,323.72x = 316,839,858,483.91
  5. Step 5: Solve for x
    x = 316,839,858,483.91/777,323.72
  6. Step 6: Final answer
    x = 407,603.49

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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.