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Finding the Fourth Proportional to 883,374, 1,325,061 and 218,526

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Solution

The fourth proportional to 883,374, 1,325,061 and 218,526 is: 327,789

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,374 : 1,325,061 = 218,526 : x
  2. Step 2: Convert to fraction form
    883,374/1,325,061 = 218,526/x
  3. Step 3: Cross multiply
    883,374x = 1,325,061 × 218,526
  4. Step 4: Simplify right side
    883,374x = 289,560,280,086
  5. Step 5: Solve for x
    x = 289,560,280,086/883,374
  6. Step 6: Final answer
    x = 327,789

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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.