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Finding the Fourth Proportional to 624,261.66, 861,492.15 and 352,383.90

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Solution

The fourth proportional to 624,261.66, 861,492.15 and 352,383.90 is: 486,296.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,261.66 : 861,492.15 = 352,383.90 : x
  2. Step 2: Convert to fraction form
    624,261.66/861,492.15 = 352,383.90/x
  3. Step 3: Cross multiply
    624,261.66x = 861,492.15 × 352,383.90
  4. Step 4: Simplify right side
    624,261.66x = 303,575,963,636.39
  5. Step 5: Solve for x
    x = 303,575,963,636.39/624,261.66
  6. Step 6: Final answer
    x = 486,296.02

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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.