Home / 558,291.22-837,781.29-258,715.96

Finding the Fourth Proportional to 558,291.22, 837,781.29 and 258,715.96

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Solution

The fourth proportional to 558,291.22, 837,781.29 and 258,715.96 is: 388,233.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,291.22 : 837,781.29 = 258,715.96 : x
  2. Step 2: Convert to fraction form
    558,291.22/837,781.29 = 258,715.96/x
  3. Step 3: Cross multiply
    558,291.22x = 837,781.29 × 258,715.96
  4. Step 4: Simplify right side
    558,291.22x = 216,747,390,712.39
  5. Step 5: Solve for x
    x = 216,747,390,712.39/558,291.22
  6. Step 6: Final answer
    x = 388,233.57

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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.