Home / 502,261.54-693,128.39-272,823.31

Finding the Fourth Proportional to 502,261.54, 693,128.39 and 272,823.31

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Solution

The fourth proportional to 502,261.54, 693,128.39 and 272,823.31 is: 376,500.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,261.54 : 693,128.39 = 272,823.31 : x
  2. Step 2: Convert to fraction form
    502,261.54/693,128.39 = 272,823.31/x
  3. Step 3: Cross multiply
    502,261.54x = 693,128.39 × 272,823.31
  4. Step 4: Simplify right side
    502,261.54x = 189,101,576,785.01
  5. Step 5: Solve for x
    x = 189,101,576,785.01/502,261.54
  6. Step 6: Final answer
    x = 376,500.21

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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.