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Finding the Fourth Proportional to 563,474.88, 777,619.44 and 337,076.64

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Solution

The fourth proportional to 563,474.88, 777,619.44 and 337,076.64 is: 465,180.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,474.88 : 777,619.44 = 337,076.64 : x
  2. Step 2: Convert to fraction form
    563,474.88/777,619.44 = 337,076.64/x
  3. Step 3: Cross multiply
    563,474.88x = 777,619.44 × 337,076.64
  4. Step 4: Simplify right side
    563,474.88x = 262,117,348,033.88
  5. Step 5: Solve for x
    x = 262,117,348,033.88/563,474.88
  6. Step 6: Final answer
    x = 465,180.18

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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.