Home / 992,450.40-1,489,453.20-460,037.40

Finding the Fourth Proportional to 992,450.40, 1,489,453.20 and 460,037.40

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Solution

The fourth proportional to 992,450.40, 1,489,453.20 and 460,037.40 is: 690,416.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,450.40 : 1,489,453.20 = 460,037.40 : x
  2. Step 2: Convert to fraction form
    992,450.40/1,489,453.20 = 460,037.40/x
  3. Step 3: Cross multiply
    992,450.40x = 1,489,453.20 × 460,037.40
  4. Step 4: Simplify right side
    992,450.40x = 685,204,177,549.68
  5. Step 5: Solve for x
    x = 685,204,177,549.68/992,450.40
  6. Step 6: Final answer
    x = 690,416.55

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