Home / 851,190.40-1,174,650.74-469,230.85

Finding the Fourth Proportional to 851,190.40, 1,174,650.74 and 469,230.85

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Solution

The fourth proportional to 851,190.40, 1,174,650.74 and 469,230.85 is: 647,542.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,190.40 : 1,174,650.74 = 469,230.85 : x
  2. Step 2: Convert to fraction form
    851,190.40/1,174,650.74 = 469,230.85/x
  3. Step 3: Cross multiply
    851,190.40x = 1,174,650.74 × 469,230.85
  4. Step 4: Simplify right side
    851,190.40x = 551,182,365,183.33
  5. Step 5: Solve for x
    x = 551,182,365,183.33/851,190.40
  6. Step 6: Final answer
    x = 647,542.98

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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.