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Finding the Fourth Proportional to 978,978.30, 1,468,467.45 and 605,730.30

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Solution

The fourth proportional to 978,978.30, 1,468,467.45 and 605,730.30 is: 908,595.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,978.30 : 1,468,467.45 = 605,730.30 : x
  2. Step 2: Convert to fraction form
    978,978.30/1,468,467.45 = 605,730.30/x
  3. Step 3: Cross multiply
    978,978.30x = 1,468,467.45 × 605,730.30
  4. Step 4: Simplify right side
    978,978.30x = 889,495,229,028.74
  5. Step 5: Solve for x
    x = 889,495,229,028.74/978,978.30
  6. Step 6: Final answer
    x = 908,595.45

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