Home / 865,998.73-1,298,665.99-297,273.84

Finding the Fourth Proportional to 865,998.73, 1,298,665.99 and 297,273.84

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Solution

The fourth proportional to 865,998.73, 1,298,665.99 and 297,273.84 is: 445,796.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,998.73 : 1,298,665.99 = 297,273.84 : x
  2. Step 2: Convert to fraction form
    865,998.73/1,298,665.99 = 297,273.84/x
  3. Step 3: Cross multiply
    865,998.73x = 1,298,665.99 × 297,273.84
  4. Step 4: Simplify right side
    865,998.73x = 386,059,425,724.70
  5. Step 5: Solve for x
    x = 386,059,425,724.70/865,998.73
  6. Step 6: Final answer
    x = 445,796.76

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1.5x scale

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.