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Finding the Fourth Proportional to 460,307.39, 690,444.74 and 140,446.35

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Solution

The fourth proportional to 460,307.39, 690,444.74 and 140,446.35 is: 210,664.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,307.39 : 690,444.74 = 140,446.35 : x
  2. Step 2: Convert to fraction form
    460,307.39/690,444.74 = 140,446.35/x
  3. Step 3: Cross multiply
    460,307.39x = 690,444.74 × 140,446.35
  4. Step 4: Simplify right side
    460,307.39x = 96,970,442,907.47
  5. Step 5: Solve for x
    x = 96,970,442,907.47/460,307.39
  6. Step 6: Final answer
    x = 210,664.54

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