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Finding the Fourth Proportional to 874,594.80, 1,312,475.40 and 401,036.40

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Solution

The fourth proportional to 874,594.80, 1,312,475.40 and 401,036.40 is: 601,822.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,594.80 : 1,312,475.40 = 401,036.40 : x
  2. Step 2: Convert to fraction form
    874,594.80/1,312,475.40 = 401,036.40/x
  3. Step 3: Cross multiply
    874,594.80x = 1,312,475.40 × 401,036.40
  4. Step 4: Simplify right side
    874,594.80x = 526,350,409,504.56
  5. Step 5: Solve for x
    x = 526,350,409,504.56/874,594.80
  6. Step 6: Final answer
    x = 601,822.02

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