Home / 398,746.64-598,094.04-211,863.44

Finding the Fourth Proportional to 398,746.64, 598,094.04 and 211,863.44

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Solution

The fourth proportional to 398,746.64, 598,094.04 and 211,863.44 is: 317,781.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,746.64 : 598,094.04 = 211,863.44 : x
  2. Step 2: Convert to fraction form
    398,746.64/598,094.04 = 211,863.44/x
  3. Step 3: Cross multiply
    398,746.64x = 598,094.04 × 211,863.44
  4. Step 4: Simplify right side
    398,746.64x = 126,714,260,757.90
  5. Step 5: Solve for x
    x = 126,714,260,757.90/398,746.64
  6. Step 6: Final answer
    x = 317,781.39

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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.