Home / 557,358.28-835,774.06-215,961.64

Finding the Fourth Proportional to 557,358.28, 835,774.06 and 215,961.64

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Solution

The fourth proportional to 557,358.28, 835,774.06 and 215,961.64 is: 323,840.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,358.28 : 835,774.06 = 215,961.64 : x
  2. Step 2: Convert to fraction form
    557,358.28/835,774.06 = 215,961.64/x
  3. Step 3: Cross multiply
    557,358.28x = 835,774.06 × 215,961.64
  4. Step 4: Simplify right side
    557,358.28x = 180,495,136,667.06
  5. Step 5: Solve for x
    x = 180,495,136,667.06/557,358.28
  6. Step 6: Final answer
    x = 323,840.41

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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.