Home / 497,961.73-687,141.03-283,059.82

Finding the Fourth Proportional to 497,961.73, 687,141.03 and 283,059.82

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Solution

The fourth proportional to 497,961.73, 687,141.03 and 283,059.82 is: 390,596.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,961.73 : 687,141.03 = 283,059.82 : x
  2. Step 2: Convert to fraction form
    497,961.73/687,141.03 = 283,059.82/x
  3. Step 3: Cross multiply
    497,961.73x = 687,141.03 × 283,059.82
  4. Step 4: Simplify right side
    497,961.73x = 194,502,016,266.42
  5. Step 5: Solve for x
    x = 194,502,016,266.42/497,961.73
  6. Step 6: Final answer
    x = 390,596.31

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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.