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Finding the Fourth Proportional to 315,681.40, 473,003.70 and 262,804.60

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Solution

The fourth proportional to 315,681.40, 473,003.70 and 262,804.60 is: 393,775.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,681.40 : 473,003.70 = 262,804.60 : x
  2. Step 2: Convert to fraction form
    315,681.40/473,003.70 = 262,804.60/x
  3. Step 3: Cross multiply
    315,681.40x = 473,003.70 × 262,804.60
  4. Step 4: Simplify right side
    315,681.40x = 124,307,548,177.02
  5. Step 5: Solve for x
    x = 124,307,548,177.02/315,681.40
  6. Step 6: Final answer
    x = 393,775.33

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