Home / 612,324-844,712.68-397,531.44

Finding the Fourth Proportional to 612,324, 844,712.68 and 397,531.44

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Solution

The fourth proportional to 612,324, 844,712.68 and 397,531.44 is: 548,402.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,324 : 844,712.68 = 397,531.44 : x
  2. Step 2: Convert to fraction form
    612,324/844,712.68 = 397,531.44/x
  3. Step 3: Cross multiply
    612,324x = 844,712.68 × 397,531.44
  4. Step 4: Simplify right side
    612,324x = 335,799,848,066.66
  5. Step 5: Solve for x
    x = 335,799,848,066.66/612,324
  6. Step 6: Final answer
    x = 548,402.23

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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.