Home / 593,138.49-818,531.91-321,206.83

Finding the Fourth Proportional to 593,138.49, 818,531.91 and 321,206.83

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Solution

The fourth proportional to 593,138.49, 818,531.91 and 321,206.83 is: 443,265.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,138.49 : 818,531.91 = 321,206.83 : x
  2. Step 2: Convert to fraction form
    593,138.49/818,531.91 = 321,206.83/x
  3. Step 3: Cross multiply
    593,138.49x = 818,531.91 × 321,206.83
  4. Step 4: Simplify right side
    593,138.49x = 262,918,035,676.41
  5. Step 5: Solve for x
    x = 262,918,035,676.41/593,138.49
  6. Step 6: Final answer
    x = 443,265.85

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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.