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Finding the Fourth Proportional to 555,576.73, 766,695.92 and 300,927.92

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Solution

The fourth proportional to 555,576.73, 766,695.92 and 300,927.92 is: 415,280.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,576.73 : 766,695.92 = 300,927.92 : x
  2. Step 2: Convert to fraction form
    555,576.73/766,695.92 = 300,927.92/x
  3. Step 3: Cross multiply
    555,576.73x = 766,695.92 × 300,927.92
  4. Step 4: Simplify right side
    555,576.73x = 230,720,209,800.33
  5. Step 5: Solve for x
    x = 230,720,209,800.33/555,576.73
  6. Step 6: Final answer
    x = 415,280.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.