Home / 499,092.28-688,762.38-272,741.56

Finding the Fourth Proportional to 499,092.28, 688,762.38 and 272,741.56

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Solution

The fourth proportional to 499,092.28, 688,762.38 and 272,741.56 is: 376,391.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,092.28 : 688,762.38 = 272,741.56 : x
  2. Step 2: Convert to fraction form
    499,092.28/688,762.38 = 272,741.56/x
  3. Step 3: Cross multiply
    499,092.28x = 688,762.38 × 272,741.56
  4. Step 4: Simplify right side
    499,092.28x = 187,854,125,990.51
  5. Step 5: Solve for x
    x = 187,854,125,990.51/499,092.28
  6. Step 6: Final answer
    x = 376,391.57

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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.