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Finding the Fourth Proportional to 885,508, 1,328,262 and 294,532

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Solution

The fourth proportional to 885,508, 1,328,262 and 294,532 is: 441,798

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,508 : 1,328,262 = 294,532 : x
  2. Step 2: Convert to fraction form
    885,508/1,328,262 = 294,532/x
  3. Step 3: Cross multiply
    885,508x = 1,328,262 × 294,532
  4. Step 4: Simplify right side
    885,508x = 391,215,663,384
  5. Step 5: Solve for x
    x = 391,215,663,384/885,508
  6. Step 6: Final answer
    x = 441,798

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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.