Home / 529,998-731,397.24-303,774.72

Finding the Fourth Proportional to 529,998, 731,397.24 and 303,774.72

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Solution

The fourth proportional to 529,998, 731,397.24 and 303,774.72 is: 419,209.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,998 : 731,397.24 = 303,774.72 : x
  2. Step 2: Convert to fraction form
    529,998/731,397.24 = 303,774.72/x
  3. Step 3: Cross multiply
    529,998x = 731,397.24 × 303,774.72
  4. Step 4: Simplify right side
    529,998x = 222,179,991,789.77
  5. Step 5: Solve for x
    x = 222,179,991,789.77/529,998
  6. Step 6: Final answer
    x = 419,209.11

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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.