Home / 399,622.89-598,917.65-298,993.55

Finding the Fourth Proportional to 399,622.89, 598,917.65 and 298,993.55

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Solution

The fourth proportional to 399,622.89, 598,917.65 and 298,993.55 is: 448,103.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,622.89 : 598,917.65 = 298,993.55 : x
  2. Step 2: Convert to fraction form
    399,622.89/598,917.65 = 298,993.55/x
  3. Step 3: Cross multiply
    399,622.89x = 598,917.65 × 298,993.55
  4. Step 4: Simplify right side
    399,622.89x = 179,072,514,333.48
  5. Step 5: Solve for x
    x = 179,072,514,333.48/399,622.89
  6. Step 6: Final answer
    x = 448,103.75

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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.