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Finding the Fourth Proportional to 616,291.75, 850,522.17 and 344,360.44

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Solution

The fourth proportional to 616,291.75, 850,522.17 and 344,360.44 is: 475,239.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,291.75 : 850,522.17 = 344,360.44 : x
  2. Step 2: Convert to fraction form
    616,291.75/850,522.17 = 344,360.44/x
  3. Step 3: Cross multiply
    616,291.75x = 850,522.17 × 344,360.44
  4. Step 4: Simplify right side
    616,291.75x = 292,886,188,690.96
  5. Step 5: Solve for x
    x = 292,886,188,690.96/616,291.75
  6. Step 6: Final answer
    x = 475,239.51

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1.5x scale

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.