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Finding the Fourth Proportional to 663,727.64, 995,191.14 and 264,430.04

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Solution

The fourth proportional to 663,727.64, 995,191.14 and 264,430.04 is: 396,485.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,727.64 : 995,191.14 = 264,430.04 : x
  2. Step 2: Convert to fraction form
    663,727.64/995,191.14 = 264,430.04/x
  3. Step 3: Cross multiply
    663,727.64x = 995,191.14 × 264,430.04
  4. Step 4: Simplify right side
    663,727.64x = 263,158,432,957.85
  5. Step 5: Solve for x
    x = 263,158,432,957.85/663,727.64
  6. Step 6: Final answer
    x = 396,485.57

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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.