Home / 810,705.87-1,216,108.94-271,010.70

Finding the Fourth Proportional to 810,705.87, 1,216,108.94 and 271,010.70

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Solution

The fourth proportional to 810,705.87, 1,216,108.94 and 271,010.70 is: 406,532.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,705.87 : 1,216,108.94 = 271,010.70 : x
  2. Step 2: Convert to fraction form
    810,705.87/1,216,108.94 = 271,010.70/x
  3. Step 3: Cross multiply
    810,705.87x = 1,216,108.94 × 271,010.70
  4. Step 4: Simplify right side
    810,705.87x = 329,578,535,105.66
  5. Step 5: Solve for x
    x = 329,578,535,105.66/810,705.87
  6. Step 6: Final answer
    x = 406,532.81

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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.