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Finding the Fourth Proportional to 402,693.40, 604,040.10 and 362,603.80

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Solution

The fourth proportional to 402,693.40, 604,040.10 and 362,603.80 is: 543,905.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,693.40 : 604,040.10 = 362,603.80 : x
  2. Step 2: Convert to fraction form
    402,693.40/604,040.10 = 362,603.80/x
  3. Step 3: Cross multiply
    402,693.40x = 604,040.10 × 362,603.80
  4. Step 4: Simplify right side
    402,693.40x = 219,027,235,612.38
  5. Step 5: Solve for x
    x = 219,027,235,612.38/402,693.40
  6. Step 6: Final answer
    x = 543,905.70

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