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Finding the Fourth Proportional to 595,412.08, 821,672.61 and 323,479.91

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Solution

The fourth proportional to 595,412.08, 821,672.61 and 323,479.91 is: 446,404.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,412.08 : 821,672.61 = 323,479.91 : x
  2. Step 2: Convert to fraction form
    595,412.08/821,672.61 = 323,479.91/x
  3. Step 3: Cross multiply
    595,412.08x = 821,672.61 × 323,479.91
  4. Step 4: Simplify right side
    595,412.08x = 265,794,581,932.27
  5. Step 5: Solve for x
    x = 265,794,581,932.27/595,412.08
  6. Step 6: Final answer
    x = 446,404.42

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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.