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Finding the Fourth Proportional to 538,847.84, 743,605.44 and 297,140.60

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Solution

The fourth proportional to 538,847.84, 743,605.44 and 297,140.60 is: 410,051.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,847.84 : 743,605.44 = 297,140.60 : x
  2. Step 2: Convert to fraction form
    538,847.84/743,605.44 = 297,140.60/x
  3. Step 3: Cross multiply
    538,847.84x = 743,605.44 × 297,140.60
  4. Step 4: Simplify right side
    538,847.84x = 220,955,366,604.86
  5. Step 5: Solve for x
    x = 220,955,366,604.86/538,847.84
  6. Step 6: Final answer
    x = 410,051.50

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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.