Home / 863,111.20-1,294,666.80-548,960.80

Finding the Fourth Proportional to 863,111.20, 1,294,666.80 and 548,960.80

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Solution

The fourth proportional to 863,111.20, 1,294,666.80 and 548,960.80 is: 823,441.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,111.20 : 1,294,666.80 = 548,960.80 : x
  2. Step 2: Convert to fraction form
    863,111.20/1,294,666.80 = 548,960.80/x
  3. Step 3: Cross multiply
    863,111.20x = 1,294,666.80 × 548,960.80
  4. Step 4: Simplify right side
    863,111.20x = 710,721,322,261.44
  5. Step 5: Solve for x
    x = 710,721,322,261.44/863,111.20
  6. Step 6: Final answer
    x = 823,441.20

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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.