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Finding the Fourth Proportional to 587,458.36, 810,732.60 and 332,811.64

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Solution

The fourth proportional to 587,458.36, 810,732.60 and 332,811.64 is: 459,302.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,458.36 : 810,732.60 = 332,811.64 : x
  2. Step 2: Convert to fraction form
    587,458.36/810,732.60 = 332,811.64/x
  3. Step 3: Cross multiply
    587,458.36x = 810,732.60 × 332,811.64
  4. Step 4: Simplify right side
    587,458.36x = 269,821,246,207.46
  5. Step 5: Solve for x
    x = 269,821,246,207.46/587,458.36
  6. Step 6: Final answer
    x = 459,302.76

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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.