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Finding the Fourth Proportional to 529,575.71, 794,369.09 and 209,805.39

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Solution

The fourth proportional to 529,575.71, 794,369.09 and 209,805.39 is: 314,710.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,575.71 : 794,369.09 = 209,805.39 : x
  2. Step 2: Convert to fraction form
    529,575.71/794,369.09 = 209,805.39/x
  3. Step 3: Cross multiply
    529,575.71x = 794,369.09 × 209,805.39
  4. Step 4: Simplify right side
    529,575.71x = 166,662,917,255.91
  5. Step 5: Solve for x
    x = 166,662,917,255.91/529,575.71
  6. Step 6: Final answer
    x = 314,710.28

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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.