Home / 809,928.40-1,214,892.60-652,464.40

Finding the Fourth Proportional to 809,928.40, 1,214,892.60 and 652,464.40

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Solution

The fourth proportional to 809,928.40, 1,214,892.60 and 652,464.40 is: 978,696.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,928.40 : 1,214,892.60 = 652,464.40 : x
  2. Step 2: Convert to fraction form
    809,928.40/1,214,892.60 = 652,464.40/x
  3. Step 3: Cross multiply
    809,928.40x = 1,214,892.60 × 652,464.40
  4. Step 4: Simplify right side
    809,928.40x = 792,674,171,323.44
  5. Step 5: Solve for x
    x = 792,674,171,323.44/809,928.40
  6. Step 6: Final answer
    x = 978,696.60

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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.