Home / 501,769.94-693,017.20-330,453.72

Finding the Fourth Proportional to 501,769.94, 693,017.20 and 330,453.72

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Solution

The fourth proportional to 501,769.94, 693,017.20 and 330,453.72 is: 456,404.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,769.94 : 693,017.20 = 330,453.72 : x
  2. Step 2: Convert to fraction form
    501,769.94/693,017.20 = 330,453.72/x
  3. Step 3: Cross multiply
    501,769.94x = 693,017.20 × 330,453.72
  4. Step 4: Simplify right side
    501,769.94x = 229,010,112,177.05
  5. Step 5: Solve for x
    x = 229,010,112,177.05/501,769.94
  6. Step 6: Final answer
    x = 456,404.61

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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.