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Finding the Fourth Proportional to 885,510, 1,328,265 and 294,534

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Solution

The fourth proportional to 885,510, 1,328,265 and 294,534 is: 441,801

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,510 : 1,328,265 = 294,534 : x
  2. Step 2: Convert to fraction form
    885,510/1,328,265 = 294,534/x
  3. Step 3: Cross multiply
    885,510x = 1,328,265 × 294,534
  4. Step 4: Simplify right side
    885,510x = 391,219,203,510
  5. Step 5: Solve for x
    x = 391,219,203,510/885,510
  6. Step 6: Final answer
    x = 441,801

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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.