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Finding the Fourth Proportional to 909,208.24, 1,255,244.94 and 808,327

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Solution

The fourth proportional to 909,208.24, 1,255,244.94 and 808,327 is: 1,115,969.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,208.24 : 1,255,244.94 = 808,327 : x
  2. Step 2: Convert to fraction form
    909,208.24/1,255,244.94 = 808,327/x
  3. Step 3: Cross multiply
    909,208.24x = 1,255,244.94 × 808,327
  4. Step 4: Simplify right side
    909,208.24x = 1,014,648,376,615.38
  5. Step 5: Solve for x
    x = 1,014,648,376,615.38/909,208.24
  6. Step 6: Final answer
    x = 1,115,969.18

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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.