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Finding the Fourth Proportional to 972,465.70, 1,458,698.55 and 411,427.30

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Solution

The fourth proportional to 972,465.70, 1,458,698.55 and 411,427.30 is: 617,140.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,465.70 : 1,458,698.55 = 411,427.30 : x
  2. Step 2: Convert to fraction form
    972,465.70/1,458,698.55 = 411,427.30/x
  3. Step 3: Cross multiply
    972,465.70x = 1,458,698.55 × 411,427.30
  4. Step 4: Simplify right side
    972,465.70x = 600,148,405,940.42
  5. Step 5: Solve for x
    x = 600,148,405,940.42/972,465.70
  6. Step 6: Final answer
    x = 617,140.95

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