Home / 720,249.84-1,080,429.43-214,771.26

Finding the Fourth Proportional to 720,249.84, 1,080,429.43 and 214,771.26

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Solution

The fourth proportional to 720,249.84, 1,080,429.43 and 214,771.26 is: 322,173.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,249.84 : 1,080,429.43 = 214,771.26 : x
  2. Step 2: Convert to fraction form
    720,249.84/1,080,429.43 = 214,771.26/x
  3. Step 3: Cross multiply
    720,249.84x = 1,080,429.43 × 214,771.26
  4. Step 4: Simplify right side
    720,249.84x = 232,045,190,022.18
  5. Step 5: Solve for x
    x = 232,045,190,022.18/720,249.84
  6. Step 6: Final answer
    x = 322,173.19

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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.