Home / 863,068.30-1,293,630.45-414,004.30

Finding the Fourth Proportional to 863,068.30, 1,293,630.45 and 414,004.30

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Solution

The fourth proportional to 863,068.30, 1,293,630.45 and 414,004.30 is: 620,540.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,068.30 : 1,293,630.45 = 414,004.30 : x
  2. Step 2: Convert to fraction form
    863,068.30/1,293,630.45 = 414,004.30/x
  3. Step 3: Cross multiply
    863,068.30x = 1,293,630.45 × 414,004.30
  4. Step 4: Simplify right side
    863,068.30x = 535,568,568,910.94
  5. Step 5: Solve for x
    x = 535,568,568,910.94/863,068.30
  6. Step 6: Final answer
    x = 620,540.19

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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.