Home / 868,937.80-1,303,406.70-711,344.20

Finding the Fourth Proportional to 868,937.80, 1,303,406.70 and 711,344.20

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Solution

The fourth proportional to 868,937.80, 1,303,406.70 and 711,344.20 is: 1,067,016.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,937.80 : 1,303,406.70 = 711,344.20 : x
  2. Step 2: Convert to fraction form
    868,937.80/1,303,406.70 = 711,344.20/x
  3. Step 3: Cross multiply
    868,937.80x = 1,303,406.70 × 711,344.20
  4. Step 4: Simplify right side
    868,937.80x = 927,170,796,286.14
  5. Step 5: Solve for x
    x = 927,170,796,286.14/868,937.80
  6. Step 6: Final answer
    x = 1,067,016.30

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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.