Home / 634,545.06-952,066.82-279,310.05

Finding the Fourth Proportional to 634,545.06, 952,066.82 and 279,310.05

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Solution

The fourth proportional to 634,545.06, 952,066.82 and 279,310.05 is: 419,074.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,545.06 : 952,066.82 = 279,310.05 : x
  2. Step 2: Convert to fraction form
    634,545.06/952,066.82 = 279,310.05/x
  3. Step 3: Cross multiply
    634,545.06x = 952,066.82 × 279,310.05
  4. Step 4: Simplify right side
    634,545.06x = 265,921,831,097.54
  5. Step 5: Solve for x
    x = 265,921,831,097.54/634,545.06
  6. Step 6: Final answer
    x = 419,074.78

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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.