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Finding the Fourth Proportional to 607,180, 837,908.88 and 338,908

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Solution

The fourth proportional to 607,180, 837,908.88 and 338,908 is: 467,693.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,180 : 837,908.88 = 338,908 : x
  2. Step 2: Convert to fraction form
    607,180/837,908.88 = 338,908/x
  3. Step 3: Cross multiply
    607,180x = 837,908.88 × 338,908
  4. Step 4: Simplify right side
    607,180x = 283,974,022,703.04
  5. Step 5: Solve for x
    x = 283,974,022,703.04/607,180
  6. Step 6: Final answer
    x = 467,693.31

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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.