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Finding the Fourth Proportional to 964,433.70, 1,446,103.80 and 365,414.40

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Solution

The fourth proportional to 964,433.70, 1,446,103.80 and 365,414.40 is: 547,914.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,433.70 : 1,446,103.80 = 365,414.40 : x
  2. Step 2: Convert to fraction form
    964,433.70/1,446,103.80 = 365,414.40/x
  3. Step 3: Cross multiply
    964,433.70x = 1,446,103.80 × 365,414.40
  4. Step 4: Simplify right side
    964,433.70x = 528,427,152,414.72
  5. Step 5: Solve for x
    x = 528,427,152,414.72/964,433.70
  6. Step 6: Final answer
    x = 547,914.44

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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.