Home / 863,116.20-1,294,674.30-548,965.80

Finding the Fourth Proportional to 863,116.20, 1,294,674.30 and 548,965.80

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Solution

The fourth proportional to 863,116.20, 1,294,674.30 and 548,965.80 is: 823,448.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,116.20 : 1,294,674.30 = 548,965.80 : x
  2. Step 2: Convert to fraction form
    863,116.20/1,294,674.30 = 548,965.80/x
  3. Step 3: Cross multiply
    863,116.20x = 1,294,674.30 × 548,965.80
  4. Step 4: Simplify right side
    863,116.20x = 710,731,912,838.94
  5. Step 5: Solve for x
    x = 710,731,912,838.94/863,116.20
  6. Step 6: Final answer
    x = 823,448.70

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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.