Home / 559,212.72-771,789.66-329,834.88

Finding the Fourth Proportional to 559,212.72, 771,789.66 and 329,834.88

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Solution

The fourth proportional to 559,212.72, 771,789.66 and 329,834.88 is: 455,217.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,212.72 : 771,789.66 = 329,834.88 : x
  2. Step 2: Convert to fraction form
    559,212.72/771,789.66 = 329,834.88/x
  3. Step 3: Cross multiply
    559,212.72x = 771,789.66 × 329,834.88
  4. Step 4: Simplify right side
    559,212.72x = 254,563,149,891.34
  5. Step 5: Solve for x
    x = 254,563,149,891.34/559,212.72
  6. Step 6: Final answer
    x = 455,217.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.