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Finding the Fourth Proportional to 394,714.58, 591,062.91 and 217,026.26

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Solution

The fourth proportional to 394,714.58, 591,062.91 and 217,026.26 is: 324,984.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,714.58 : 591,062.91 = 217,026.26 : x
  2. Step 2: Convert to fraction form
    394,714.58/591,062.91 = 217,026.26/x
  3. Step 3: Cross multiply
    394,714.58x = 591,062.91 × 217,026.26
  4. Step 4: Simplify right side
    394,714.58x = 128,276,172,782.02
  5. Step 5: Solve for x
    x = 128,276,172,782.02/394,714.58
  6. Step 6: Final answer
    x = 324,984.63

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1.5x scale

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.