Home / 695,425.73-1,043,138.61-379,710.41

Finding the Fourth Proportional to 695,425.73, 1,043,138.61 and 379,710.41

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Solution

The fourth proportional to 695,425.73, 1,043,138.61 and 379,710.41 is: 569,565.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,425.73 : 1,043,138.61 = 379,710.41 : x
  2. Step 2: Convert to fraction form
    695,425.73/1,043,138.61 = 379,710.41/x
  3. Step 3: Cross multiply
    695,425.73x = 1,043,138.61 × 379,710.41
  4. Step 4: Simplify right side
    695,425.73x = 396,090,589,289.93
  5. Step 5: Solve for x
    x = 396,090,589,289.93/695,425.73
  6. Step 6: Final answer
    x = 569,565.62

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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.