Home / 499,100.44-688,747.62-272,747.56

Finding the Fourth Proportional to 499,100.44, 688,747.62 and 272,747.56

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Solution

The fourth proportional to 499,100.44, 688,747.62 and 272,747.56 is: 376,385.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,100.44 : 688,747.62 = 272,747.56 : x
  2. Step 2: Convert to fraction form
    499,100.44/688,747.62 = 272,747.56/x
  3. Step 3: Cross multiply
    499,100.44x = 688,747.62 × 272,747.56
  4. Step 4: Simplify right side
    499,100.44x = 187,854,232,810.81
  5. Step 5: Solve for x
    x = 187,854,232,810.81/499,100.44
  6. Step 6: Final answer
    x = 376,385.63

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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.