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Finding the Fourth Proportional to 666,504, 919,775.52 and 364,698

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Solution

The fourth proportional to 666,504, 919,775.52 and 364,698 is: 503,283.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,504 : 919,775.52 = 364,698 : x
  2. Step 2: Convert to fraction form
    666,504/919,775.52 = 364,698/x
  3. Step 3: Cross multiply
    666,504x = 919,775.52 × 364,698
  4. Step 4: Simplify right side
    666,504x = 335,440,292,592.96
  5. Step 5: Solve for x
    x = 335,440,292,592.96/666,504
  6. Step 6: Final answer
    x = 503,283.24

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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.