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Finding the Fourth Proportional to 607,398, 838,261.08 and 339,177.84

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Solution

The fourth proportional to 607,398, 838,261.08 and 339,177.84 is: 468,094.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,398 : 838,261.08 = 339,177.84 : x
  2. Step 2: Convert to fraction form
    607,398/838,261.08 = 339,177.84/x
  3. Step 3: Cross multiply
    607,398x = 838,261.08 × 339,177.84
  4. Step 4: Simplify right side
    607,398x = 284,319,582,470.47
  5. Step 5: Solve for x
    x = 284,319,582,470.47/607,398
  6. Step 6: Final answer
    x = 468,094.37

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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.