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Finding the Fourth Proportional to 607,267, 838,028.48 and 338,995

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Solution

The fourth proportional to 607,267, 838,028.48 and 338,995 is: 467,813.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,267 : 838,028.48 = 338,995 : x
  2. Step 2: Convert to fraction form
    607,267/838,028.48 = 338,995/x
  3. Step 3: Cross multiply
    607,267x = 838,028.48 × 338,995
  4. Step 4: Simplify right side
    607,267x = 284,087,464,577.60
  5. Step 5: Solve for x
    x = 284,087,464,577.60/607,267
  6. Step 6: Final answer
    x = 467,813.11

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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.