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Finding the Fourth Proportional to 559,910.56, 772,681.10 and 305,263.60

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Solution

The fourth proportional to 559,910.56, 772,681.10 and 305,263.60 is: 421,266.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,910.56 : 772,681.10 = 305,263.60 : x
  2. Step 2: Convert to fraction form
    559,910.56/772,681.10 = 305,263.60/x
  3. Step 3: Cross multiply
    559,910.56x = 772,681.10 × 305,263.60
  4. Step 4: Simplify right side
    559,910.56x = 235,871,414,237.96
  5. Step 5: Solve for x
    x = 235,871,414,237.96/559,910.56
  6. Step 6: Final answer
    x = 421,266.24

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