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Finding the Fourth Proportional to 606,616, 837,130.08 and 338,344

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Solution

The fourth proportional to 606,616, 837,130.08 and 338,344 is: 466,914.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,616 : 837,130.08 = 338,344 : x
  2. Step 2: Convert to fraction form
    606,616/837,130.08 = 338,344/x
  3. Step 3: Cross multiply
    606,616x = 837,130.08 × 338,344
  4. Step 4: Simplify right side
    606,616x = 283,237,939,787.52
  5. Step 5: Solve for x
    x = 283,237,939,787.52/606,616
  6. Step 6: Final answer
    x = 466,914.72

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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.