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Finding the Fourth Proportional to 702,778.60, 969,822.75 and 380,486.08

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Solution

The fourth proportional to 702,778.60, 969,822.75 and 380,486.08 is: 525,064.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,778.60 : 969,822.75 = 380,486.08 : x
  2. Step 2: Convert to fraction form
    702,778.60/969,822.75 = 380,486.08/x
  3. Step 3: Cross multiply
    702,778.60x = 969,822.75 × 380,486.08
  4. Step 4: Simplify right side
    702,778.60x = 369,004,056,442.32
  5. Step 5: Solve for x
    x = 369,004,056,442.32/702,778.60
  6. Step 6: Final answer
    x = 525,064.45

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