Home / 645,875.20-968,121.60-290,828.80

Finding the Fourth Proportional to 645,875.20, 968,121.60 and 290,828.80

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Solution

The fourth proportional to 645,875.20, 968,121.60 and 290,828.80 is: 435,931.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,875.20 : 968,121.60 = 290,828.80 : x
  2. Step 2: Convert to fraction form
    645,875.20/968,121.60 = 290,828.80/x
  3. Step 3: Cross multiply
    645,875.20x = 968,121.60 × 290,828.80
  4. Step 4: Simplify right side
    645,875.20x = 281,557,643,182.08
  5. Step 5: Solve for x
    x = 281,557,643,182.08/645,875.20
  6. Step 6: Final answer
    x = 435,931.96

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