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Finding the Fourth Proportional to 495,688.96, 739,404.52 and 447,853.60

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Solution

The fourth proportional to 495,688.96, 739,404.52 and 447,853.60 is: 668,049.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,688.96 : 739,404.52 = 447,853.60 : x
  2. Step 2: Convert to fraction form
    495,688.96/739,404.52 = 447,853.60/x
  3. Step 3: Cross multiply
    495,688.96x = 739,404.52 × 447,853.60
  4. Step 4: Simplify right side
    495,688.96x = 331,144,976,138.27
  5. Step 5: Solve for x
    x = 331,144,976,138.27/495,688.96
  6. Step 6: Final answer
    x = 668,049.93

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.