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Finding the Fourth Proportional to 404,516.75, 557,997.39 and 259,270.79

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Solution

The fourth proportional to 404,516.75, 557,997.39 and 259,270.79 is: 357,642.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,516.75 : 557,997.39 = 259,270.79 : x
  2. Step 2: Convert to fraction form
    404,516.75/557,997.39 = 259,270.79/x
  3. Step 3: Cross multiply
    404,516.75x = 557,997.39 × 259,270.79
  4. Step 4: Simplify right side
    404,516.75x = 144,672,421,333.25
  5. Step 5: Solve for x
    x = 144,672,421,333.25/404,516.75
  6. Step 6: Final answer
    x = 357,642.60

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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.