Home / 801,027.77-1,105,375.48-438,381.45

Finding the Fourth Proportional to 801,027.77, 1,105,375.48 and 438,381.45

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Solution

The fourth proportional to 801,027.77, 1,105,375.48 and 438,381.45 is: 604,942.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,027.77 : 1,105,375.48 = 438,381.45 : x
  2. Step 2: Convert to fraction form
    801,027.77/1,105,375.48 = 438,381.45/x
  3. Step 3: Cross multiply
    801,027.77x = 1,105,375.48 × 438,381.45
  4. Step 4: Simplify right side
    801,027.77x = 484,576,104,620.89
  5. Step 5: Solve for x
    x = 484,576,104,620.89/801,027.77
  6. Step 6: Final answer
    x = 604,942.96

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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.