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Finding the Fourth Proportional to 539,520.87, 744,538.87 and 297,803.49

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Solution

The fourth proportional to 539,520.87, 744,538.87 and 297,803.49 is: 410,968.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,520.87 : 744,538.87 = 297,803.49 : x
  2. Step 2: Convert to fraction form
    539,520.87/744,538.87 = 297,803.49/x
  3. Step 3: Cross multiply
    539,520.87x = 744,538.87 × 297,803.49
  4. Step 4: Simplify right side
    539,520.87x = 221,726,272,763.33
  5. Step 5: Solve for x
    x = 221,726,272,763.33/539,520.87
  6. Step 6: Final answer
    x = 410,968.86

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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.