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Finding the Fourth Proportional to 663,563.52, 995,454.72 and 243,429.12

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Solution

The fourth proportional to 663,563.52, 995,454.72 and 243,429.12 is: 365,183.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,563.52 : 995,454.72 = 243,429.12 : x
  2. Step 2: Convert to fraction form
    663,563.52/995,454.72 = 243,429.12/x
  3. Step 3: Cross multiply
    663,563.52x = 995,454.72 × 243,429.12
  4. Step 4: Simplify right side
    663,563.52x = 242,322,666,489.45
  5. Step 5: Solve for x
    x = 242,322,666,489.45/663,563.52
  6. Step 6: Final answer
    x = 365,183.83

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1.5x scale

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.