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Finding the Fourth Proportional to 646,108.26, 891,658.71 and 359,646.63

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Solution

The fourth proportional to 646,108.26, 891,658.71 and 359,646.63 is: 496,328.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,108.26 : 891,658.71 = 359,646.63 : x
  2. Step 2: Convert to fraction form
    646,108.26/891,658.71 = 359,646.63/x
  3. Step 3: Cross multiply
    646,108.26x = 891,658.71 × 359,646.63
  4. Step 4: Simplify right side
    646,108.26x = 320,682,050,161.65
  5. Step 5: Solve for x
    x = 320,682,050,161.65/646,108.26
  6. Step 6: Final answer
    x = 496,328.67

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