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Finding the Fourth Proportional to 863,925.60, 1,295,499.60 and 331,269.60

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Solution

The fourth proportional to 863,925.60, 1,295,499.60 and 331,269.60 is: 496,755.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,925.60 : 1,295,499.60 = 331,269.60 : x
  2. Step 2: Convert to fraction form
    863,925.60/1,295,499.60 = 331,269.60/x
  3. Step 3: Cross multiply
    863,925.60x = 1,295,499.60 × 331,269.60
  4. Step 4: Simplify right side
    863,925.60x = 429,159,634,292.16
  5. Step 5: Solve for x
    x = 429,159,634,292.16/863,925.60
  6. Step 6: Final answer
    x = 496,755.32

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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.