Home / 907,350.40-1,361,025.60-809,372.80

Finding the Fourth Proportional to 907,350.40, 1,361,025.60 and 809,372.80

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Solution

The fourth proportional to 907,350.40, 1,361,025.60 and 809,372.80 is: 1,214,059.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,350.40 : 1,361,025.60 = 809,372.80 : x
  2. Step 2: Convert to fraction form
    907,350.40/1,361,025.60 = 809,372.80/x
  3. Step 3: Cross multiply
    907,350.40x = 1,361,025.60 × 809,372.80
  4. Step 4: Simplify right side
    907,350.40x = 1,101,577,100,743.68
  5. Step 5: Solve for x
    x = 1,101,577,100,743.68/907,350.40
  6. Step 6: Final answer
    x = 1,214,059.20

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1.5x scale

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.