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Finding the Fourth Proportional to 863,153.60, 1,294,886.04 and 264,103.52

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Solution

The fourth proportional to 863,153.60, 1,294,886.04 and 264,103.52 is: 396,202.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,153.60 : 1,294,886.04 = 264,103.52 : x
  2. Step 2: Convert to fraction form
    863,153.60/1,294,886.04 = 264,103.52/x
  3. Step 3: Cross multiply
    863,153.60x = 1,294,886.04 × 264,103.52
  4. Step 4: Simplify right side
    863,153.60x = 341,983,961,162.86
  5. Step 5: Solve for x
    x = 341,983,961,162.86/863,153.60
  6. Step 6: Final answer
    x = 396,202.90

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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.