Home / 545,190.94-752,388.29-303,488.83

Finding the Fourth Proportional to 545,190.94, 752,388.29 and 303,488.83

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Solution

The fourth proportional to 545,190.94, 752,388.29 and 303,488.83 is: 418,828.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,190.94 : 752,388.29 = 303,488.83 : x
  2. Step 2: Convert to fraction form
    545,190.94/752,388.29 = 303,488.83/x
  3. Step 3: Cross multiply
    545,190.94x = 752,388.29 × 303,488.83
  4. Step 4: Simplify right side
    545,190.94x = 228,341,441,837.80
  5. Step 5: Solve for x
    x = 228,341,441,837.80/545,190.94
  6. Step 6: Final answer
    x = 418,828.39

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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.