Home / 869,745.62-1,304,741.44-270,767.24

Finding the Fourth Proportional to 869,745.62, 1,304,741.44 and 270,767.24

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Solution

The fourth proportional to 869,745.62, 1,304,741.44 and 270,767.24 is: 406,189.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,745.62 : 1,304,741.44 = 270,767.24 : x
  2. Step 2: Convert to fraction form
    869,745.62/1,304,741.44 = 270,767.24/x
  3. Step 3: Cross multiply
    869,745.62x = 1,304,741.44 × 270,767.24
  4. Step 4: Simplify right side
    869,745.62x = 353,281,238,622.43
  5. Step 5: Solve for x
    x = 353,281,238,622.43/869,745.62
  6. Step 6: Final answer
    x = 406,189.16

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1.5x scale

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.