Home / 694,362.40-1,041,025.20-379,175.20

Finding the Fourth Proportional to 694,362.40, 1,041,025.20 and 379,175.20

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Solution

The fourth proportional to 694,362.40, 1,041,025.20 and 379,175.20 is: 568,479.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,362.40 : 1,041,025.20 = 379,175.20 : x
  2. Step 2: Convert to fraction form
    694,362.40/1,041,025.20 = 379,175.20/x
  3. Step 3: Cross multiply
    694,362.40x = 1,041,025.20 × 379,175.20
  4. Step 4: Simplify right side
    694,362.40x = 394,730,938,415.04
  5. Step 5: Solve for x
    x = 394,730,938,415.04/694,362.40
  6. Step 6: Final answer
    x = 568,479.71

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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.