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Finding the Fourth Proportional to 548,026.40, 822,039.60 and 449,611.40

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Solution

The fourth proportional to 548,026.40, 822,039.60 and 449,611.40 is: 674,417.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,026.40 : 822,039.60 = 449,611.40 : x
  2. Step 2: Convert to fraction form
    548,026.40/822,039.60 = 449,611.40/x
  3. Step 3: Cross multiply
    548,026.40x = 822,039.60 × 449,611.40
  4. Step 4: Simplify right side
    548,026.40x = 369,598,375,411.44
  5. Step 5: Solve for x
    x = 369,598,375,411.44/548,026.40
  6. Step 6: Final answer
    x = 674,417.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.