Home / 1,077,619.60-1,616,370.80-329,665.60

Finding the Fourth Proportional to 1,077,619.60, 1,616,370.80 and 329,665.60

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Solution

The fourth proportional to 1,077,619.60, 1,616,370.80 and 329,665.60 is: 494,480.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,619.60 : 1,616,370.80 = 329,665.60 : x
  2. Step 2: Convert to fraction form
    1,077,619.60/1,616,370.80 = 329,665.60/x
  3. Step 3: Cross multiply
    1,077,619.60x = 1,616,370.80 × 329,665.60
  4. Step 4: Simplify right side
    1,077,619.60x = 532,861,849,604.48
  5. Step 5: Solve for x
    x = 532,861,849,604.48/1,077,619.60
  6. Step 6: Final answer
    x = 494,480.47

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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.