Home / 634,442.04-951,912.12-279,206.86

Finding the Fourth Proportional to 634,442.04, 951,912.12 and 279,206.86

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Solution

The fourth proportional to 634,442.04, 951,912.12 and 279,206.86 is: 418,919.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,442.04 : 951,912.12 = 279,206.86 : x
  2. Step 2: Convert to fraction form
    634,442.04/951,912.12 = 279,206.86/x
  3. Step 3: Cross multiply
    634,442.04x = 951,912.12 × 279,206.86
  4. Step 4: Simplify right side
    634,442.04x = 265,780,394,021.14
  5. Step 5: Solve for x
    x = 265,780,394,021.14/634,442.04
  6. Step 6: Final answer
    x = 418,919.90

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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.