Home / 863,399.60-1,296,265.80-548,471.60

Finding the Fourth Proportional to 863,399.60, 1,296,265.80 and 548,471.60

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Solution

The fourth proportional to 863,399.60, 1,296,265.80 and 548,471.60 is: 823,448.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,399.60 : 1,296,265.80 = 548,471.60 : x
  2. Step 2: Convert to fraction form
    863,399.60/1,296,265.80 = 548,471.60/x
  3. Step 3: Cross multiply
    863,399.60x = 1,296,265.80 × 548,471.60
  4. Step 4: Simplify right side
    863,399.60x = 710,964,977,351.28
  5. Step 5: Solve for x
    x = 710,964,977,351.28/863,399.60
  6. Step 6: Final answer
    x = 823,448.35

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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.