Home / 593,438.12-818,944.79-321,507.89

Finding the Fourth Proportional to 593,438.12, 818,944.79 and 321,507.89

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Solution

The fourth proportional to 593,438.12, 818,944.79 and 321,507.89 is: 443,680.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,438.12 : 818,944.79 = 321,507.89 : x
  2. Step 2: Convert to fraction form
    593,438.12/818,944.79 = 321,507.89/x
  3. Step 3: Cross multiply
    593,438.12x = 818,944.79 × 321,507.89
  4. Step 4: Simplify right side
    593,438.12x = 263,297,211,459.39
  5. Step 5: Solve for x
    x = 263,297,211,459.39/593,438.12
  6. Step 6: Final answer
    x = 443,680.99

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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.