Home / 898,352.40-1,347,528.60-809,778.90

Finding the Fourth Proportional to 898,352.40, 1,347,528.60 and 809,778.90

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Solution

The fourth proportional to 898,352.40, 1,347,528.60 and 809,778.90 is: 1,214,668.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,352.40 : 1,347,528.60 = 809,778.90 : x
  2. Step 2: Convert to fraction form
    898,352.40/1,347,528.60 = 809,778.90/x
  3. Step 3: Cross multiply
    898,352.40x = 1,347,528.60 × 809,778.90
  4. Step 4: Simplify right side
    898,352.40x = 1,091,200,227,426.54
  5. Step 5: Solve for x
    x = 1,091,200,227,426.54/898,352.40
  6. Step 6: Final answer
    x = 1,214,668.35

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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.