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Finding the Fourth Proportional to 607,270.44, 838,039.86 and 335,337.78

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Solution

The fourth proportional to 607,270.44, 838,039.86 and 335,337.78 is: 462,769.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,270.44 : 838,039.86 = 335,337.78 : x
  2. Step 2: Convert to fraction form
    607,270.44/838,039.86 = 335,337.78/x
  3. Step 3: Cross multiply
    607,270.44x = 838,039.86 × 335,337.78
  4. Step 4: Simplify right side
    607,270.44x = 281,026,426,203.91
  5. Step 5: Solve for x
    x = 281,026,426,203.91/607,270.44
  6. Step 6: Final answer
    x = 462,769.81

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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.