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Finding the Fourth Proportional to 629,585.64, 868,802.94 and 343,099.62

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Solution

The fourth proportional to 629,585.64, 868,802.94 and 343,099.62 is: 473,463.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,585.64 : 868,802.94 = 343,099.62 : x
  2. Step 2: Convert to fraction form
    629,585.64/868,802.94 = 343,099.62/x
  3. Step 3: Cross multiply
    629,585.64x = 868,802.94 × 343,099.62
  4. Step 4: Simplify right side
    629,585.64x = 298,085,958,568.88
  5. Step 5: Solve for x
    x = 298,085,958,568.88/629,585.64
  6. Step 6: Final answer
    x = 473,463.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.