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Finding the Fourth Proportional to 544,553.80, 816,830.70 and 345,099.40

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Solution

The fourth proportional to 544,553.80, 816,830.70 and 345,099.40 is: 517,649.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,553.80 : 816,830.70 = 345,099.40 : x
  2. Step 2: Convert to fraction form
    544,553.80/816,830.70 = 345,099.40/x
  3. Step 3: Cross multiply
    544,553.80x = 816,830.70 × 345,099.40
  4. Step 4: Simplify right side
    544,553.80x = 281,887,784,471.58
  5. Step 5: Solve for x
    x = 281,887,784,471.58/544,553.80
  6. Step 6: Final answer
    x = 517,649.10

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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.