Home / 558,989.91-838,586.97-259,429.23

Finding the Fourth Proportional to 558,989.91, 838,586.97 and 259,429.23

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Solution

The fourth proportional to 558,989.91, 838,586.97 and 259,429.23 is: 389,191.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,989.91 : 838,586.97 = 259,429.23 : x
  2. Step 2: Convert to fraction form
    558,989.91/838,586.97 = 259,429.23/x
  3. Step 3: Cross multiply
    558,989.91x = 838,586.97 × 259,429.23
  4. Step 4: Simplify right side
    558,989.91x = 217,553,971,915.13
  5. Step 5: Solve for x
    x = 217,553,971,915.13/558,989.91
  6. Step 6: Final answer
    x = 389,191.23

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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.