Home / 751,453.46-1,127,070.80-218,831.48

Finding the Fourth Proportional to 751,453.46, 1,127,070.80 and 218,831.48

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Solution

The fourth proportional to 751,453.46, 1,127,070.80 and 218,831.48 is: 328,215.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,453.46 : 1,127,070.80 = 218,831.48 : x
  2. Step 2: Convert to fraction form
    751,453.46/1,127,070.80 = 218,831.48/x
  3. Step 3: Cross multiply
    751,453.46x = 1,127,070.80 × 218,831.48
  4. Step 4: Simplify right side
    751,453.46x = 246,638,571,228.78
  5. Step 5: Solve for x
    x = 246,638,571,228.78/751,453.46
  6. Step 6: Final answer
    x = 328,215.36

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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.