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Finding the Fourth Proportional to 645,469.70, 968,204.55 and 496,462.10

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Solution

The fourth proportional to 645,469.70, 968,204.55 and 496,462.10 is: 744,693.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,469.70 : 968,204.55 = 496,462.10 : x
  2. Step 2: Convert to fraction form
    645,469.70/968,204.55 = 496,462.10/x
  3. Step 3: Cross multiply
    645,469.70x = 968,204.55 × 496,462.10
  4. Step 4: Simplify right side
    645,469.70x = 480,676,864,122.56
  5. Step 5: Solve for x
    x = 480,676,864,122.56/645,469.70
  6. Step 6: Final answer
    x = 744,693.15

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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.