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Finding the Fourth Proportional to 529,550.53, 730,794.02 and 287,849.43

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Solution

The fourth proportional to 529,550.53, 730,794.02 and 287,849.43 is: 397,239.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,550.53 : 730,794.02 = 287,849.43 : x
  2. Step 2: Convert to fraction form
    529,550.53/730,794.02 = 287,849.43/x
  3. Step 3: Cross multiply
    529,550.53x = 730,794.02 × 287,849.43
  4. Step 4: Simplify right side
    529,550.53x = 210,358,640,665.16
  5. Step 5: Solve for x
    x = 210,358,640,665.16/529,550.53
  6. Step 6: Final answer
    x = 397,239.98

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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.