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Finding the Fourth Proportional to 328,038.80, 492,058.20 and 248,723.60

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Solution

The fourth proportional to 328,038.80, 492,058.20 and 248,723.60 is: 373,085.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,038.80 : 492,058.20 = 248,723.60 : x
  2. Step 2: Convert to fraction form
    328,038.80/492,058.20 = 248,723.60/x
  3. Step 3: Cross multiply
    328,038.80x = 492,058.20 × 248,723.60
  4. Step 4: Simplify right side
    328,038.80x = 122,386,486,913.52
  5. Step 5: Solve for x
    x = 122,386,486,913.52/328,038.80
  6. Step 6: Final answer
    x = 373,085.40

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