Home / 587,211.16-810,408.28-329,131.95

Finding the Fourth Proportional to 587,211.16, 810,408.28 and 329,131.95

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Solution

The fourth proportional to 587,211.16, 810,408.28 and 329,131.95 is: 454,233.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,211.16 : 810,408.28 = 329,131.95 : x
  2. Step 2: Convert to fraction form
    587,211.16/810,408.28 = 329,131.95/x
  3. Step 3: Cross multiply
    587,211.16x = 810,408.28 × 329,131.95
  4. Step 4: Simplify right side
    587,211.16x = 266,731,257,492.55
  5. Step 5: Solve for x
    x = 266,731,257,492.55/587,211.16
  6. Step 6: Final answer
    x = 454,233.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.