Home / 870,856.28-1,201,699.50-488,808.44

Finding the Fourth Proportional to 870,856.28, 1,201,699.50 and 488,808.44

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Solution

The fourth proportional to 870,856.28, 1,201,699.50 and 488,808.44 is: 674,509.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,856.28 : 1,201,699.50 = 488,808.44 : x
  2. Step 2: Convert to fraction form
    870,856.28/1,201,699.50 = 488,808.44/x
  3. Step 3: Cross multiply
    870,856.28x = 1,201,699.50 × 488,808.44
  4. Step 4: Simplify right side
    870,856.28x = 587,400,857,943.78
  5. Step 5: Solve for x
    x = 587,400,857,943.78/870,856.28
  6. Step 6: Final answer
    x = 674,509.53

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