Home / 686,892.56-1,029,611.63-231,049.84

Finding the Fourth Proportional to 686,892.56, 1,029,611.63 and 231,049.84

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Solution

The fourth proportional to 686,892.56, 1,029,611.63 and 231,049.84 is: 346,330.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,892.56 : 1,029,611.63 = 231,049.84 : x
  2. Step 2: Convert to fraction form
    686,892.56/1,029,611.63 = 231,049.84/x
  3. Step 3: Cross multiply
    686,892.56x = 1,029,611.63 × 231,049.84
  4. Step 4: Simplify right side
    686,892.56x = 237,891,596,070.33
  5. Step 5: Solve for x
    x = 237,891,596,070.33/686,892.56
  6. Step 6: Final answer
    x = 346,330.14

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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.