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Finding the Fourth Proportional to 768,003.70, 1,152,005.55 and 235,606.90

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Solution

The fourth proportional to 768,003.70, 1,152,005.55 and 235,606.90 is: 353,410.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,003.70 : 1,152,005.55 = 235,606.90 : x
  2. Step 2: Convert to fraction form
    768,003.70/1,152,005.55 = 235,606.90/x
  3. Step 3: Cross multiply
    768,003.70x = 1,152,005.55 × 235,606.90
  4. Step 4: Simplify right side
    768,003.70x = 271,420,456,418.30
  5. Step 5: Solve for x
    x = 271,420,456,418.30/768,003.70
  6. Step 6: Final answer
    x = 353,410.35

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Similar ratio
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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.