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Finding the Fourth Proportional to 519,902.40, 778,541.40 and 341,443.20

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Solution

The fourth proportional to 519,902.40, 778,541.40 and 341,443.20 is: 511,303.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,902.40 : 778,541.40 = 341,443.20 : x
  2. Step 2: Convert to fraction form
    519,902.40/778,541.40 = 341,443.20/x
  3. Step 3: Cross multiply
    519,902.40x = 778,541.40 × 341,443.20
  4. Step 4: Simplify right side
    519,902.40x = 265,827,666,948.48
  5. Step 5: Solve for x
    x = 265,827,666,948.48/519,902.40
  6. Step 6: Final answer
    x = 511,303.02

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