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Finding the Fourth Proportional to 510,644.06, 765,249.22 and 403,557.26

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Solution

The fourth proportional to 510,644.06, 765,249.22 and 403,557.26 is: 604,769.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,644.06 : 765,249.22 = 403,557.26 : x
  2. Step 2: Convert to fraction form
    510,644.06/765,249.22 = 403,557.26/x
  3. Step 3: Cross multiply
    510,644.06x = 765,249.22 × 403,557.26
  4. Step 4: Simplify right side
    510,644.06x = 308,821,875,118.54
  5. Step 5: Solve for x
    x = 308,821,875,118.54/510,644.06
  6. Step 6: Final answer
    x = 604,769.34

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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.