Home / 750,680.92-1,035,940.21-406,519.56

Finding the Fourth Proportional to 750,680.92, 1,035,940.21 and 406,519.56

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Solution

The fourth proportional to 750,680.92, 1,035,940.21 and 406,519.56 is: 560,997.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,680.92 : 1,035,940.21 = 406,519.56 : x
  2. Step 2: Convert to fraction form
    750,680.92/1,035,940.21 = 406,519.56/x
  3. Step 3: Cross multiply
    750,680.92x = 1,035,940.21 × 406,519.56
  4. Step 4: Simplify right side
    750,680.92x = 421,129,958,482.55
  5. Step 5: Solve for x
    x = 421,129,958,482.55/750,680.92
  6. Step 6: Final answer
    x = 560,997.29

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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.