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Finding the Fourth Proportional to 545,224.83, 818,003.99 and 279,173.54

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Solution

The fourth proportional to 545,224.83, 818,003.99 and 279,173.54 is: 418,845.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,224.83 : 818,003.99 = 279,173.54 : x
  2. Step 2: Convert to fraction form
    545,224.83/818,003.99 = 279,173.54/x
  3. Step 3: Cross multiply
    545,224.83x = 818,003.99 × 279,173.54
  4. Step 4: Simplify right side
    545,224.83x = 228,365,066,230.34
  5. Step 5: Solve for x
    x = 228,365,066,230.34/545,224.83
  6. Step 6: Final answer
    x = 418,845.68

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1.5x scale

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.