Home / 726,730.10-1,090,743.15-426,835.70

Finding the Fourth Proportional to 726,730.10, 1,090,743.15 and 426,835.70

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Solution

The fourth proportional to 726,730.10, 1,090,743.15 and 426,835.70 is: 640,634.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,730.10 : 1,090,743.15 = 426,835.70 : x
  2. Step 2: Convert to fraction form
    726,730.10/1,090,743.15 = 426,835.70/x
  3. Step 3: Cross multiply
    726,730.10x = 1,090,743.15 × 426,835.70
  4. Step 4: Simplify right side
    726,730.10x = 465,568,115,950.46
  5. Step 5: Solve for x
    x = 465,568,115,950.46/726,730.10
  6. Step 6: Final answer
    x = 640,634.14

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