Home / 557,333.28-835,736.57-215,936.64

Finding the Fourth Proportional to 557,333.28, 835,736.57 and 215,936.64

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Solution

The fourth proportional to 557,333.28, 835,736.57 and 215,936.64 is: 323,802.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,333.28 : 835,736.57 = 215,936.64 : x
  2. Step 2: Convert to fraction form
    557,333.28/835,736.57 = 215,936.64/x
  3. Step 3: Cross multiply
    557,333.28x = 835,736.57 × 215,936.64
  4. Step 4: Simplify right side
    557,333.28x = 180,466,145,771.24
  5. Step 5: Solve for x
    x = 180,466,145,771.24/557,333.28
  6. Step 6: Final answer
    x = 323,802.92

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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.