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Finding the Fourth Proportional to 637,802.80, 956,358.60 and 263,863.60

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Solution

The fourth proportional to 637,802.80, 956,358.60 and 263,863.60 is: 395,652.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,802.80 : 956,358.60 = 263,863.60 : x
  2. Step 2: Convert to fraction form
    637,802.80/956,358.60 = 263,863.60/x
  3. Step 3: Cross multiply
    637,802.80x = 956,358.60 × 263,863.60
  4. Step 4: Simplify right side
    637,802.80x = 252,348,223,086.96
  5. Step 5: Solve for x
    x = 252,348,223,086.96/637,802.80
  6. Step 6: Final answer
    x = 395,652.42

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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.