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Finding the Fourth Proportional to 380,876.24, 525,594.12 and 208,790.48

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Solution

The fourth proportional to 380,876.24, 525,594.12 and 208,790.48 is: 288,122.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,876.24 : 525,594.12 = 208,790.48 : x
  2. Step 2: Convert to fraction form
    380,876.24/525,594.12 = 208,790.48/x
  3. Step 3: Cross multiply
    380,876.24x = 525,594.12 × 208,790.48
  4. Step 4: Simplify right side
    380,876.24x = 109,739,048,599.98
  5. Step 5: Solve for x
    x = 109,739,048,599.98/380,876.24
  6. Step 6: Final answer
    x = 288,122.59

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