Home / 938,789.64-1,407,622.02-298,816.92

Finding the Fourth Proportional to 938,789.64, 1,407,622.02 and 298,816.92

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Solution

The fourth proportional to 938,789.64, 1,407,622.02 and 298,816.92 is: 448,046.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,789.64 : 1,407,622.02 = 298,816.92 : x
  2. Step 2: Convert to fraction form
    938,789.64/1,407,622.02 = 298,816.92/x
  3. Step 3: Cross multiply
    938,789.64x = 1,407,622.02 × 298,816.92
  4. Step 4: Simplify right side
    938,789.64x = 420,621,276,540.58
  5. Step 5: Solve for x
    x = 420,621,276,540.58/938,789.64
  6. Step 6: Final answer
    x = 448,046.36

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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.