Home / 755,831.57-1,133,788.66-306,485.69

Finding the Fourth Proportional to 755,831.57, 1,133,788.66 and 306,485.69

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Solution

The fourth proportional to 755,831.57, 1,133,788.66 and 306,485.69 is: 459,745.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,831.57 : 1,133,788.66 = 306,485.69 : x
  2. Step 2: Convert to fraction form
    755,831.57/1,133,788.66 = 306,485.69/x
  3. Step 3: Cross multiply
    755,831.57x = 1,133,788.66 × 306,485.69
  4. Step 4: Simplify right side
    755,831.57x = 347,489,993,339.12
  5. Step 5: Solve for x
    x = 347,489,993,339.12/755,831.57
  6. Step 6: Final answer
    x = 459,745.28

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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.