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Finding the Fourth Proportional to 477,408.99, 658,811.25 and 262,549.04

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Solution

The fourth proportional to 477,408.99, 658,811.25 and 262,549.04 is: 362,310.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,408.99 : 658,811.25 = 262,549.04 : x
  2. Step 2: Convert to fraction form
    477,408.99/658,811.25 = 262,549.04/x
  3. Step 3: Cross multiply
    477,408.99x = 658,811.25 × 262,549.04
  4. Step 4: Simplify right side
    477,408.99x = 172,970,261,228.70
  5. Step 5: Solve for x
    x = 172,970,261,228.70/477,408.99
  6. Step 6: Final answer
    x = 362,310.44

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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.