Home / 813,709.92-1,220,398.08-308,096.46

Finding the Fourth Proportional to 813,709.92, 1,220,398.08 and 308,096.46

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Solution

The fourth proportional to 813,709.92, 1,220,398.08 and 308,096.46 is: 462,081.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,709.92 : 1,220,398.08 = 308,096.46 : x
  2. Step 2: Convert to fraction form
    813,709.92/1,220,398.08 = 308,096.46/x
  3. Step 3: Cross multiply
    813,709.92x = 1,220,398.08 × 308,096.46
  4. Step 4: Simplify right side
    813,709.92x = 376,000,328,238.80
  5. Step 5: Solve for x
    x = 376,000,328,238.80/813,709.92
  6. Step 6: Final answer
    x = 462,081.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.