Home / 752,403.26-1,128,834.53-240,054.77

Finding the Fourth Proportional to 752,403.26, 1,128,834.53 and 240,054.77

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Solution

The fourth proportional to 752,403.26, 1,128,834.53 and 240,054.77 is: 360,155.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,403.26 : 1,128,834.53 = 240,054.77 : x
  2. Step 2: Convert to fraction form
    752,403.26/1,128,834.53 = 240,054.77/x
  3. Step 3: Cross multiply
    752,403.26x = 1,128,834.53 × 240,054.77
  4. Step 4: Simplify right side
    752,403.26x = 270,982,113,467.21
  5. Step 5: Solve for x
    x = 270,982,113,467.21/752,403.26
  6. Step 6: Final answer
    x = 360,155.42

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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.