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Finding the Fourth Proportional to 606,600, 837,108 and 338,328

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Solution

The fourth proportional to 606,600, 837,108 and 338,328 is: 466,892.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,600 : 837,108 = 338,328 : x
  2. Step 2: Convert to fraction form
    606,600/837,108 = 338,328/x
  3. Step 3: Cross multiply
    606,600x = 837,108 × 338,328
  4. Step 4: Simplify right side
    606,600x = 283,217,075,424
  5. Step 5: Solve for x
    x = 283,217,075,424/606,600
  6. Step 6: Final answer
    x = 466,892.64

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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.