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Finding the Fourth Proportional to 296,587.60, 444,881.40 and 260,429.20

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Solution

The fourth proportional to 296,587.60, 444,881.40 and 260,429.20 is: 390,643.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,587.60 : 444,881.40 = 260,429.20 : x
  2. Step 2: Convert to fraction form
    296,587.60/444,881.40 = 260,429.20/x
  3. Step 3: Cross multiply
    296,587.60x = 444,881.40 × 260,429.20
  4. Step 4: Simplify right side
    296,587.60x = 115,860,107,096.88
  5. Step 5: Solve for x
    x = 115,860,107,096.88/296,587.60
  6. Step 6: Final answer
    x = 390,643.80

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