Home / 828,293.20-1,242,002.40-354,443.20

Finding the Fourth Proportional to 828,293.20, 1,242,002.40 and 354,443.20

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Solution

The fourth proportional to 828,293.20, 1,242,002.40 and 354,443.20 is: 531,477.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,293.20 : 1,242,002.40 = 354,443.20 : x
  2. Step 2: Convert to fraction form
    828,293.20/1,242,002.40 = 354,443.20/x
  3. Step 3: Cross multiply
    828,293.20x = 1,242,002.40 × 354,443.20
  4. Step 4: Simplify right side
    828,293.20x = 440,219,305,063.68
  5. Step 5: Solve for x
    x = 440,219,305,063.68/828,293.20
  6. Step 6: Final answer
    x = 531,477.63

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