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Finding the Fourth Proportional to 653,593.86, 901,939.88 and 363,204.45

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Solution

The fourth proportional to 653,593.86, 901,939.88 and 363,204.45 is: 501,211.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,593.86 : 901,939.88 = 363,204.45 : x
  2. Step 2: Convert to fraction form
    653,593.86/901,939.88 = 363,204.45/x
  3. Step 3: Cross multiply
    653,593.86x = 901,939.88 × 363,204.45
  4. Step 4: Simplify right side
    653,593.86x = 327,588,578,956.48
  5. Step 5: Solve for x
    x = 327,588,578,956.48/653,593.86
  6. Step 6: Final answer
    x = 501,211.22

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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.