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Finding the Fourth Proportional to 557,515.71, 835,008.75 and 355,112.91

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Solution

The fourth proportional to 557,515.71, 835,008.75 and 355,112.91 is: 531,863.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,515.71 : 835,008.75 = 355,112.91 : x
  2. Step 2: Convert to fraction form
    557,515.71/835,008.75 = 355,112.91/x
  3. Step 3: Cross multiply
    557,515.71x = 835,008.75 × 355,112.91
  4. Step 4: Simplify right side
    557,515.71x = 296,522,387,087.96
  5. Step 5: Solve for x
    x = 296,522,387,087.96/557,515.71
  6. Step 6: Final answer
    x = 531,863.73

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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.