Home / 821,668.43-1,133,798.23-482,012.75

Finding the Fourth Proportional to 821,668.43, 1,133,798.23 and 482,012.75

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Solution

The fourth proportional to 821,668.43, 1,133,798.23 and 482,012.75 is: 665,116.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,668.43 : 1,133,798.23 = 482,012.75 : x
  2. Step 2: Convert to fraction form
    821,668.43/1,133,798.23 = 482,012.75/x
  3. Step 3: Cross multiply
    821,668.43x = 1,133,798.23 × 482,012.75
  4. Step 4: Simplify right side
    821,668.43x = 546,505,202,787.43
  5. Step 5: Solve for x
    x = 546,505,202,787.43/821,668.43
  6. Step 6: Final answer
    x = 665,116.47

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Double scale
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1.5x scale

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.