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Finding the Fourth Proportional to 802,954.56, 1,108,077.18 and 445,258.56

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Solution

The fourth proportional to 802,954.56, 1,108,077.18 and 445,258.56 is: 614,456.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,954.56 : 1,108,077.18 = 445,258.56 : x
  2. Step 2: Convert to fraction form
    802,954.56/1,108,077.18 = 445,258.56/x
  3. Step 3: Cross multiply
    802,954.56x = 1,108,077.18 × 445,258.56
  4. Step 4: Simplify right side
    802,954.56x = 493,380,849,535.66
  5. Step 5: Solve for x
    x = 493,380,849,535.66/802,954.56
  6. Step 6: Final answer
    x = 614,456.75

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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.