Home / 691,500.39-1,036,658.96-265,342.04

Finding the Fourth Proportional to 691,500.39, 1,036,658.96 and 265,342.04

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Solution

The fourth proportional to 691,500.39, 1,036,658.96 and 265,342.04 is: 397,786.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,500.39 : 1,036,658.96 = 265,342.04 : x
  2. Step 2: Convert to fraction form
    691,500.39/1,036,658.96 = 265,342.04/x
  3. Step 3: Cross multiply
    691,500.39x = 1,036,658.96 × 265,342.04
  4. Step 4: Simplify right side
    691,500.39x = 275,069,201,903.97
  5. Step 5: Solve for x
    x = 275,069,201,903.97/691,500.39
  6. Step 6: Final answer
    x = 397,786.04

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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.