Home / 558,568.33-837,196.40-258,414.89

Finding the Fourth Proportional to 558,568.33, 837,196.40 and 258,414.89

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Solution

The fourth proportional to 558,568.33, 837,196.40 and 258,414.89 is: 387,318.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,568.33 : 837,196.40 = 258,414.89 : x
  2. Step 2: Convert to fraction form
    558,568.33/837,196.40 = 258,414.89/x
  3. Step 3: Cross multiply
    558,568.33x = 837,196.40 × 258,414.89
  4. Step 4: Simplify right side
    558,568.33x = 216,344,010,136.34
  5. Step 5: Solve for x
    x = 216,344,010,136.34/558,568.33
  6. Step 6: Final answer
    x = 387,318.79

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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.