Home / 863,721.90-1,293,930.45-464,229.90

Finding the Fourth Proportional to 863,721.90, 1,293,930.45 and 464,229.90

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Solution

The fourth proportional to 863,721.90, 1,293,930.45 and 464,229.90 is: 695,456.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,721.90 : 1,293,930.45 = 464,229.90 : x
  2. Step 2: Convert to fraction form
    863,721.90/1,293,930.45 = 464,229.90/x
  3. Step 3: Cross multiply
    863,721.90x = 1,293,930.45 × 464,229.90
  4. Step 4: Simplify right side
    863,721.90x = 600,681,203,410.46
  5. Step 5: Solve for x
    x = 600,681,203,410.46/863,721.90
  6. Step 6: Final answer
    x = 695,456.72

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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.