Home / 499,099.44-688,746.24-272,746.56

Finding the Fourth Proportional to 499,099.44, 688,746.24 and 272,746.56

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Solution

The fourth proportional to 499,099.44, 688,746.24 and 272,746.56 is: 376,384.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,099.44 : 688,746.24 = 272,746.56 : x
  2. Step 2: Convert to fraction form
    499,099.44/688,746.24 = 272,746.56/x
  3. Step 3: Cross multiply
    499,099.44x = 688,746.24 × 272,746.56
  4. Step 4: Simplify right side
    499,099.44x = 187,853,167,672.93
  5. Step 5: Solve for x
    x = 187,853,167,672.93/499,099.44
  6. Step 6: Final answer
    x = 376,384.25

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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.