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Finding the Fourth Proportional to 615,702.12, 849,660.60 and 343,774.20

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Solution

The fourth proportional to 615,702.12, 849,660.60 and 343,774.20 is: 474,403.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,702.12 : 849,660.60 = 343,774.20 : x
  2. Step 2: Convert to fraction form
    615,702.12/849,660.60 = 343,774.20/x
  3. Step 3: Cross multiply
    615,702.12x = 849,660.60 × 343,774.20
  4. Step 4: Simplify right side
    615,702.12x = 292,091,393,036.52
  5. Step 5: Solve for x
    x = 292,091,393,036.52/615,702.12
  6. Step 6: Final answer
    x = 474,403.75

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