Home / 648,002.20-971,225.70-332,296.60

Finding the Fourth Proportional to 648,002.20, 971,225.70 and 332,296.60

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Solution

The fourth proportional to 648,002.20, 971,225.70 and 332,296.60 is: 498,046.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,002.20 : 971,225.70 = 332,296.60 : x
  2. Step 2: Convert to fraction form
    648,002.20/971,225.70 = 332,296.60/x
  3. Step 3: Cross multiply
    648,002.20x = 971,225.70 × 332,296.60
  4. Step 4: Simplify right side
    648,002.20x = 322,734,997,942.62
  5. Step 5: Solve for x
    x = 322,734,997,942.62/648,002.20
  6. Step 6: Final answer
    x = 498,046.15

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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.