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Finding the Fourth Proportional to 497,304.60, 744,207.30 and 455,314.20

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Solution

The fourth proportional to 497,304.60, 744,207.30 and 455,314.20 is: 681,369.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,304.60 : 744,207.30 = 455,314.20 : x
  2. Step 2: Convert to fraction form
    497,304.60/744,207.30 = 455,314.20/x
  3. Step 3: Cross multiply
    497,304.60x = 744,207.30 × 455,314.20
  4. Step 4: Simplify right side
    497,304.60x = 338,848,151,433.66
  5. Step 5: Solve for x
    x = 338,848,151,433.66/497,304.60
  6. Step 6: Final answer
    x = 681,369.43

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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.