Home / 648,006.20-971,231.70-332,300.60

Finding the Fourth Proportional to 648,006.20, 971,231.70 and 332,300.60

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Solution

The fourth proportional to 648,006.20, 971,231.70 and 332,300.60 is: 498,052.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,006.20 : 971,231.70 = 332,300.60 : x
  2. Step 2: Convert to fraction form
    648,006.20/971,231.70 = 332,300.60/x
  3. Step 3: Cross multiply
    648,006.20x = 971,231.70 × 332,300.60
  4. Step 4: Simplify right side
    648,006.20x = 322,740,876,649.02
  5. Step 5: Solve for x
    x = 322,740,876,649.02/648,006.20
  6. Step 6: Final answer
    x = 498,052.14

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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.