Home / 813,710.68-1,220,549.82-252,743.56

Finding the Fourth Proportional to 813,710.68, 1,220,549.82 and 252,743.56

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Solution

The fourth proportional to 813,710.68, 1,220,549.82 and 252,743.56 is: 379,110.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,710.68 : 1,220,549.82 = 252,743.56 : x
  2. Step 2: Convert to fraction form
    813,710.68/1,220,549.82 = 252,743.56/x
  3. Step 3: Cross multiply
    813,710.68x = 1,220,549.82 × 252,743.56
  4. Step 4: Simplify right side
    813,710.68x = 308,486,106,664.16
  5. Step 5: Solve for x
    x = 308,486,106,664.16/813,710.68
  6. Step 6: Final answer
    x = 379,110.31

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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.