Home / 502,865.12-693,953.87-276,510.62

Finding the Fourth Proportional to 502,865.12, 693,953.87 and 276,510.62

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Solution

The fourth proportional to 502,865.12, 693,953.87 and 276,510.62 is: 381,584.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,865.12 : 693,953.87 = 276,510.62 : x
  2. Step 2: Convert to fraction form
    502,865.12/693,953.87 = 276,510.62/x
  3. Step 3: Cross multiply
    502,865.12x = 693,953.87 × 276,510.62
  4. Step 4: Simplify right side
    502,865.12x = 191,885,609,992.78
  5. Step 5: Solve for x
    x = 191,885,609,992.78/502,865.12
  6. Step 6: Final answer
    x = 381,584.65

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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.