Home / 545,276.08-818,081.05-279,224.97

Finding the Fourth Proportional to 545,276.08, 818,081.05 and 279,224.97

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Solution

The fourth proportional to 545,276.08, 818,081.05 and 279,224.97 is: 418,922.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,276.08 : 818,081.05 = 279,224.97 : x
  2. Step 2: Convert to fraction form
    545,276.08/818,081.05 = 279,224.97/x
  3. Step 3: Cross multiply
    545,276.08x = 818,081.05 × 279,224.97
  4. Step 4: Simplify right side
    545,276.08x = 228,428,656,643.82
  5. Step 5: Solve for x
    x = 228,428,656,643.82/545,276.08
  6. Step 6: Final answer
    x = 418,922.94

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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.