Home / 545,213.07-752,383.76-303,493.95

Finding the Fourth Proportional to 545,213.07, 752,383.76 and 303,493.95

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Solution

The fourth proportional to 545,213.07, 752,383.76 and 303,493.95 is: 418,815.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,213.07 : 752,383.76 = 303,493.95 : x
  2. Step 2: Convert to fraction form
    545,213.07/752,383.76 = 303,493.95/x
  3. Step 3: Cross multiply
    545,213.07x = 752,383.76 × 303,493.95
  4. Step 4: Simplify right side
    545,213.07x = 228,343,917,720.78
  5. Step 5: Solve for x
    x = 228,343,917,720.78/545,213.07
  6. Step 6: Final answer
    x = 418,815.93

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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.