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Finding the Fourth Proportional to 647,001.96, 892,850.64 and 360,515.96

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Solution

The fourth proportional to 647,001.96, 892,850.64 and 360,515.96 is: 497,505.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,001.96 : 892,850.64 = 360,515.96 : x
  2. Step 2: Convert to fraction form
    647,001.96/892,850.64 = 360,515.96/x
  3. Step 3: Cross multiply
    647,001.96x = 892,850.64 × 360,515.96
  4. Step 4: Simplify right side
    647,001.96x = 321,886,905,616.21
  5. Step 5: Solve for x
    x = 321,886,905,616.21/647,001.96
  6. Step 6: Final answer
    x = 497,505.30

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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.