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Finding the Fourth Proportional to 477,470.92, 658,928.67 and 262,630.98

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Solution

The fourth proportional to 477,470.92, 658,928.67 and 262,630.98 is: 362,441.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,470.92 : 658,928.67 = 262,630.98 : x
  2. Step 2: Convert to fraction form
    477,470.92/658,928.67 = 262,630.98/x
  3. Step 3: Cross multiply
    477,470.92x = 658,928.67 × 262,630.98
  4. Step 4: Simplify right side
    477,470.92x = 173,055,082,352.20
  5. Step 5: Solve for x
    x = 173,055,082,352.20/477,470.92
  6. Step 6: Final answer
    x = 362,441.09

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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.