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Finding the Fourth Proportional to 737,207.72, 1,017,379.38 and 414,938.68

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Solution

The fourth proportional to 737,207.72, 1,017,379.38 and 414,938.68 is: 572,633.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,207.72 : 1,017,379.38 = 414,938.68 : x
  2. Step 2: Convert to fraction form
    737,207.72/1,017,379.38 = 414,938.68/x
  3. Step 3: Cross multiply
    737,207.72x = 1,017,379.38 × 414,938.68
  4. Step 4: Simplify right side
    737,207.72x = 422,150,056,996.42
  5. Step 5: Solve for x
    x = 422,150,056,996.42/737,207.72
  6. Step 6: Final answer
    x = 572,633.80

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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.