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Finding the Fourth Proportional to 387,749.10, 534,830.76 and 251,539.63

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Solution

The fourth proportional to 387,749.10, 534,830.76 and 251,539.63 is: 346,954.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,749.10 : 534,830.76 = 251,539.63 : x
  2. Step 2: Convert to fraction form
    387,749.10/534,830.76 = 251,539.63/x
  3. Step 3: Cross multiply
    387,749.10x = 534,830.76 × 251,539.63
  4. Step 4: Simplify right side
    387,749.10x = 134,531,131,483.02
  5. Step 5: Solve for x
    x = 134,531,131,483.02/387,749.10
  6. Step 6: Final answer
    x = 346,954.08

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