Home / 648,128.37-972,164.86-221,702.33

Finding the Fourth Proportional to 648,128.37, 972,164.86 and 221,702.33

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Solution

The fourth proportional to 648,128.37, 972,164.86 and 221,702.33 is: 332,544.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,128.37 : 972,164.86 = 221,702.33 : x
  2. Step 2: Convert to fraction form
    648,128.37/972,164.86 = 221,702.33/x
  3. Step 3: Cross multiply
    648,128.37x = 972,164.86 × 221,702.33
  4. Step 4: Simplify right side
    648,128.37x = 215,531,216,482.28
  5. Step 5: Solve for x
    x = 215,531,216,482.28/648,128.37
  6. Step 6: Final answer
    x = 332,544.02

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