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Finding the Fourth Proportional to 646,082.52, 891,602.33 and 355,727.85

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Solution

The fourth proportional to 646,082.52, 891,602.33 and 355,727.85 is: 490,909.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,082.52 : 891,602.33 = 355,727.85 : x
  2. Step 2: Convert to fraction form
    646,082.52/891,602.33 = 355,727.85/x
  3. Step 3: Cross multiply
    646,082.52x = 891,602.33 × 355,727.85
  4. Step 4: Simplify right side
    646,082.52x = 317,167,778,127.25
  5. Step 5: Solve for x
    x = 317,167,778,127.25/646,082.52
  6. Step 6: Final answer
    x = 490,909.08

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