Home / 814,501.14-1,221,755.82-334,990.46

Finding the Fourth Proportional to 814,501.14, 1,221,755.82 and 334,990.46

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Solution

The fourth proportional to 814,501.14, 1,221,755.82 and 334,990.46 is: 502,487.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,501.14 : 1,221,755.82 = 334,990.46 : x
  2. Step 2: Convert to fraction form
    814,501.14/1,221,755.82 = 334,990.46/x
  3. Step 3: Cross multiply
    814,501.14x = 1,221,755.82 × 334,990.46
  4. Step 4: Simplify right side
    814,501.14x = 409,276,542,982.53
  5. Step 5: Solve for x
    x = 409,276,542,982.53/814,501.14
  6. Step 6: Final answer
    x = 502,487.38

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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.