Home / 1,077,618.60-1,616,369.30-329,664.60

Finding the Fourth Proportional to 1,077,618.60, 1,616,369.30 and 329,664.60

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Solution

The fourth proportional to 1,077,618.60, 1,616,369.30 and 329,664.60 is: 494,478.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,618.60 : 1,616,369.30 = 329,664.60 : x
  2. Step 2: Convert to fraction form
    1,077,618.60/1,616,369.30 = 329,664.60/x
  3. Step 3: Cross multiply
    1,077,618.60x = 1,616,369.30 × 329,664.60
  4. Step 4: Simplify right side
    1,077,618.60x = 532,859,738,736.78
  5. Step 5: Solve for x
    x = 532,859,738,736.78/1,077,618.60
  6. Step 6: Final answer
    x = 494,478.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.