Home / 840,016.37-1,259,517.90-334,655.35

Finding the Fourth Proportional to 840,016.37, 1,259,517.90 and 334,655.35

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Solution

The fourth proportional to 840,016.37, 1,259,517.90 and 334,655.35 is: 501,781.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,016.37 : 1,259,517.90 = 334,655.35 : x
  2. Step 2: Convert to fraction form
    840,016.37/1,259,517.90 = 334,655.35/x
  3. Step 3: Cross multiply
    840,016.37x = 1,259,517.90 × 334,655.35
  4. Step 4: Simplify right side
    840,016.37x = 421,504,401,761.93
  5. Step 5: Solve for x
    x = 421,504,401,761.93/840,016.37
  6. Step 6: Final answer
    x = 501,781.17

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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.