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Finding the Fourth Proportional to 511,910.60, 767,865.90 and 504,037.40

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Solution

The fourth proportional to 511,910.60, 767,865.90 and 504,037.40 is: 756,056.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,910.60 : 767,865.90 = 504,037.40 : x
  2. Step 2: Convert to fraction form
    511,910.60/767,865.90 = 504,037.40/x
  3. Step 3: Cross multiply
    511,910.60x = 767,865.90 × 504,037.40
  4. Step 4: Simplify right side
    511,910.60x = 387,033,131,784.66
  5. Step 5: Solve for x
    x = 387,033,131,784.66/511,910.60
  6. Step 6: Final answer
    x = 756,056.10

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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.