Home / 502,865.31-693,954.10-276,510.81

Finding the Fourth Proportional to 502,865.31, 693,954.10 and 276,510.81

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Solution

The fourth proportional to 502,865.31, 693,954.10 and 276,510.81 is: 381,584.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,865.31 : 693,954.10 = 276,510.81 : x
  2. Step 2: Convert to fraction form
    502,865.31/693,954.10 = 276,510.81/x
  3. Step 3: Cross multiply
    502,865.31x = 693,954.10 × 276,510.81
  4. Step 4: Simplify right side
    502,865.31x = 191,885,813,241.79
  5. Step 5: Solve for x
    x = 191,885,813,241.79/502,865.31
  6. Step 6: Final answer
    x = 381,584.91

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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.