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Finding the Fourth Proportional to 522,022.08, 782,013.62 and 359,887.42

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Solution

The fourth proportional to 522,022.08, 782,013.62 and 359,887.42 is: 539,128.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,022.08 : 782,013.62 = 359,887.42 : x
  2. Step 2: Convert to fraction form
    522,022.08/782,013.62 = 359,887.42/x
  3. Step 3: Cross multiply
    522,022.08x = 782,013.62 × 359,887.42
  4. Step 4: Simplify right side
    522,022.08x = 281,436,864,106.66
  5. Step 5: Solve for x
    x = 281,436,864,106.66/522,022.08
  6. Step 6: Final answer
    x = 539,128.28

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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.