Home / 379,601.06-523,828.91-209,824.25

Finding the Fourth Proportional to 379,601.06, 523,828.91 and 209,824.25

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Solution

The fourth proportional to 379,601.06, 523,828.91 and 209,824.25 is: 289,546.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,601.06 : 523,828.91 = 209,824.25 : x
  2. Step 2: Convert to fraction form
    379,601.06/523,828.91 = 209,824.25/x
  3. Step 3: Cross multiply
    379,601.06x = 523,828.91 × 209,824.25
  4. Step 4: Simplify right side
    379,601.06x = 109,912,007,119.95
  5. Step 5: Solve for x
    x = 109,912,007,119.95/379,601.06
  6. Step 6: Final answer
    x = 289,546.10

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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.