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Finding the Fourth Proportional to 582,732.56, 804,220.44 and 328,133.36

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Solution

The fourth proportional to 582,732.56, 804,220.44 and 328,133.36 is: 452,851.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,732.56 : 804,220.44 = 328,133.36 : x
  2. Step 2: Convert to fraction form
    582,732.56/804,220.44 = 328,133.36/x
  3. Step 3: Cross multiply
    582,732.56x = 804,220.44 × 328,133.36
  4. Step 4: Simplify right side
    582,732.56x = 263,891,555,157.88
  5. Step 5: Solve for x
    x = 263,891,555,157.88/582,732.56
  6. Step 6: Final answer
    x = 452,851.91

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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.