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Finding the Fourth Proportional to 655,738.97, 904,965.89 and 365,369.36

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Solution

The fourth proportional to 655,738.97, 904,965.89 and 365,369.36 is: 504,235.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,738.97 : 904,965.89 = 365,369.36 : x
  2. Step 2: Convert to fraction form
    655,738.97/904,965.89 = 365,369.36/x
  3. Step 3: Cross multiply
    655,738.97x = 904,965.89 × 365,369.36
  4. Step 4: Simplify right side
    655,738.97x = 330,646,801,699.45
  5. Step 5: Solve for x
    x = 330,646,801,699.45/655,738.97
  6. Step 6: Final answer
    x = 504,235.40

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1.5x scale

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.