Home / 612,325-844,714.06-397,532.44

Finding the Fourth Proportional to 612,325, 844,714.06 and 397,532.44

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Solution

The fourth proportional to 612,325, 844,714.06 and 397,532.44 is: 548,403.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,325 : 844,714.06 = 397,532.44 : x
  2. Step 2: Convert to fraction form
    612,325/844,714.06 = 397,532.44/x
  3. Step 3: Cross multiply
    612,325x = 844,714.06 × 397,532.44
  4. Step 4: Simplify right side
    612,325x = 335,801,241,374.11
  5. Step 5: Solve for x
    x = 335,801,241,374.11/612,325
  6. Step 6: Final answer
    x = 548,403.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.