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Finding the Fourth Proportional to 432,815.70, 649,223.55 and 432,815.70

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Solution

The fourth proportional to 432,815.70, 649,223.55 and 432,815.70 is: 649,223.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,815.70 : 649,223.55 = 432,815.70 : x
  2. Step 2: Convert to fraction form
    432,815.70/649,223.55 = 432,815.70/x
  3. Step 3: Cross multiply
    432,815.70x = 649,223.55 × 432,815.70
  4. Step 4: Simplify right side
    432,815.70x = 280,994,145,249.74
  5. Step 5: Solve for x
    x = 280,994,145,249.74/432,815.70
  6. Step 6: Final answer
    x = 649,223.55

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.