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Finding the Fourth Proportional to 521,369.13, 719,429.88 and 291,894.51

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Solution

The fourth proportional to 521,369.13, 719,429.88 and 291,894.51 is: 402,781.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,369.13 : 719,429.88 = 291,894.51 : x
  2. Step 2: Convert to fraction form
    521,369.13/719,429.88 = 291,894.51/x
  3. Step 3: Cross multiply
    521,369.13x = 719,429.88 × 291,894.51
  4. Step 4: Simplify right side
    521,369.13x = 209,997,632,301.96
  5. Step 5: Solve for x
    x = 209,997,632,301.96/521,369.13
  6. Step 6: Final answer
    x = 402,781.10

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