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Finding the Fourth Proportional to 490,634.40, 735,951.60 and 461,085.60

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Solution

The fourth proportional to 490,634.40, 735,951.60 and 461,085.60 is: 691,628.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,634.40 : 735,951.60 = 461,085.60 : x
  2. Step 2: Convert to fraction form
    490,634.40/735,951.60 = 461,085.60/x
  3. Step 3: Cross multiply
    490,634.40x = 735,951.60 × 461,085.60
  4. Step 4: Simplify right side
    490,634.40x = 339,336,685,056.96
  5. Step 5: Solve for x
    x = 339,336,685,056.96/490,634.40
  6. Step 6: Final answer
    x = 691,628.40

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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.