Home / 863,418.45-1,295,397.43-294,813.03

Finding the Fourth Proportional to 863,418.45, 1,295,397.43 and 294,813.03

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Solution

The fourth proportional to 863,418.45, 1,295,397.43 and 294,813.03 is: 442,311.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,418.45 : 1,295,397.43 = 294,813.03 : x
  2. Step 2: Convert to fraction form
    863,418.45/1,295,397.43 = 294,813.03/x
  3. Step 3: Cross multiply
    863,418.45x = 1,295,397.43 × 294,813.03
  4. Step 4: Simplify right side
    863,418.45x = 381,900,045,513.22
  5. Step 5: Solve for x
    x = 381,900,045,513.22/863,418.45
  6. Step 6: Final answer
    x = 442,311.66

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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.