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Finding the Fourth Proportional to 488,702.34, 674,408.34 and 297,715.73

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Solution

The fourth proportional to 488,702.34, 674,408.34 and 297,715.73 is: 410,847.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,702.34 : 674,408.34 = 297,715.73 : x
  2. Step 2: Convert to fraction form
    488,702.34/674,408.34 = 297,715.73/x
  3. Step 3: Cross multiply
    488,702.34x = 674,408.34 × 297,715.73
  4. Step 4: Simplify right side
    488,702.34x = 200,781,967,889.15
  5. Step 5: Solve for x
    x = 200,781,967,889.15/488,702.34
  6. Step 6: Final answer
    x = 410,847.16

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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.