Home / 809,340.60-1,211,246.10-709,807.80

Finding the Fourth Proportional to 809,340.60, 1,211,246.10 and 709,807.80

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Solution

The fourth proportional to 809,340.60, 1,211,246.10 and 709,807.80 is: 1,062,286.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,340.60 : 1,211,246.10 = 709,807.80 : x
  2. Step 2: Convert to fraction form
    809,340.60/1,211,246.10 = 709,807.80/x
  3. Step 3: Cross multiply
    809,340.60x = 1,211,246.10 × 709,807.80
  4. Step 4: Simplify right side
    809,340.60x = 859,751,929,499.58
  5. Step 5: Solve for x
    x = 859,751,929,499.58/809,340.60
  6. Step 6: Final answer
    x = 1,062,286.92

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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.