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Finding the Fourth Proportional to 843,374, 1,265,062.22 and 344,738

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Solution

The fourth proportional to 843,374, 1,265,062.22 and 344,738 is: 517,107.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,374 : 1,265,062.22 = 344,738 : x
  2. Step 2: Convert to fraction form
    843,374/1,265,062.22 = 344,738/x
  3. Step 3: Cross multiply
    843,374x = 1,265,062.22 × 344,738
  4. Step 4: Simplify right side
    843,374x = 436,115,019,598.36
  5. Step 5: Solve for x
    x = 436,115,019,598.36/843,374
  6. Step 6: Final answer
    x = 517,107.50

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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.