Home / 634,442.22-951,912.40-279,207.05

Finding the Fourth Proportional to 634,442.22, 951,912.40 and 279,207.05

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Solution

The fourth proportional to 634,442.22, 951,912.40 and 279,207.05 is: 418,920.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,442.22 : 951,912.40 = 279,207.05 : x
  2. Step 2: Convert to fraction form
    634,442.22/951,912.40 = 279,207.05/x
  3. Step 3: Cross multiply
    634,442.22x = 951,912.40 × 279,207.05
  4. Step 4: Simplify right side
    634,442.22x = 265,780,653,062.42
  5. Step 5: Solve for x
    x = 265,780,653,062.42/634,442.22
  6. Step 6: Final answer
    x = 418,920.19

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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.