Home / 868,945.80-1,303,418.70-711,352.20

Finding the Fourth Proportional to 868,945.80, 1,303,418.70 and 711,352.20

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Solution

The fourth proportional to 868,945.80, 1,303,418.70 and 711,352.20 is: 1,067,028.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,945.80 : 1,303,418.70 = 711,352.20 : x
  2. Step 2: Convert to fraction form
    868,945.80/1,303,418.70 = 711,352.20/x
  3. Step 3: Cross multiply
    868,945.80x = 1,303,418.70 × 711,352.20
  4. Step 4: Simplify right side
    868,945.80x = 927,189,759,766.14
  5. Step 5: Solve for x
    x = 927,189,759,766.14/868,945.80
  6. Step 6: Final answer
    x = 1,067,028.30

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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.