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Finding the Fourth Proportional to 415,407.40, 623,061.69 and 134,924.38

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Solution

The fourth proportional to 415,407.40, 623,061.69 and 134,924.38 is: 202,370.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,407.40 : 623,061.69 = 134,924.38 : x
  2. Step 2: Convert to fraction form
    415,407.40/623,061.69 = 134,924.38/x
  3. Step 3: Cross multiply
    415,407.40x = 623,061.69 × 134,924.38
  4. Step 4: Simplify right side
    415,407.40x = 84,066,212,225.00
  5. Step 5: Solve for x
    x = 84,066,212,225.00/415,407.40
  6. Step 6: Final answer
    x = 202,370.52

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