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Finding the Fourth Proportional to 610,922.20, 915,605.70 and 544,048.60

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Solution

The fourth proportional to 610,922.20, 915,605.70 and 544,048.60 is: 815,380.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,922.20 : 915,605.70 = 544,048.60 : x
  2. Step 2: Convert to fraction form
    610,922.20/915,605.70 = 544,048.60/x
  3. Step 3: Cross multiply
    610,922.20x = 915,605.70 × 544,048.60
  4. Step 4: Simplify right side
    610,922.20x = 498,133,999,237.02
  5. Step 5: Solve for x
    x = 498,133,999,237.02/610,922.20
  6. Step 6: Final answer
    x = 815,380.42

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Why These Related Problems?

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