Home / 752,155.36-1,127,172.22-415,347.64

Finding the Fourth Proportional to 752,155.36, 1,127,172.22 and 415,347.64

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Solution

The fourth proportional to 752,155.36, 1,127,172.22 and 415,347.64 is: 622,435.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,155.36 : 1,127,172.22 = 415,347.64 : x
  2. Step 2: Convert to fraction form
    752,155.36/1,127,172.22 = 415,347.64/x
  3. Step 3: Cross multiply
    752,155.36x = 1,127,172.22 × 415,347.64
  4. Step 4: Simplify right side
    752,155.36x = 468,168,321,450.56
  5. Step 5: Solve for x
    x = 468,168,321,450.56/752,155.36
  6. Step 6: Final answer
    x = 622,435.66

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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.