Home / 887,138.40-1,330,707.60-326,056.80

Finding the Fourth Proportional to 887,138.40, 1,330,707.60 and 326,056.80

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Solution

The fourth proportional to 887,138.40, 1,330,707.60 and 326,056.80 is: 489,085.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,138.40 : 1,330,707.60 = 326,056.80 : x
  2. Step 2: Convert to fraction form
    887,138.40/1,330,707.60 = 326,056.80/x
  3. Step 3: Cross multiply
    887,138.40x = 1,330,707.60 × 326,056.80
  4. Step 4: Simplify right side
    887,138.40x = 433,886,261,791.68
  5. Step 5: Solve for x
    x = 433,886,261,791.68/887,138.40
  6. Step 6: Final answer
    x = 489,085.20

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