Home / 634,020.47-948,785.75-394,247.29

Finding the Fourth Proportional to 634,020.47, 948,785.75 and 394,247.29

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Solution

The fourth proportional to 634,020.47, 948,785.75 and 394,247.29 is: 589,974.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,020.47 : 948,785.75 = 394,247.29 : x
  2. Step 2: Convert to fraction form
    634,020.47/948,785.75 = 394,247.29/x
  3. Step 3: Cross multiply
    634,020.47x = 948,785.75 × 394,247.29
  4. Step 4: Simplify right side
    634,020.47x = 374,056,204,012.95
  5. Step 5: Solve for x
    x = 374,056,204,012.95/634,020.47
  6. Step 6: Final answer
    x = 589,974.96

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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.