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Finding the Fourth Proportional to 521,496.72, 719,294.04 and 478,614.42

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Solution

The fourth proportional to 521,496.72, 719,294.04 and 478,614.42 is: 660,147.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,496.72 : 719,294.04 = 478,614.42 : x
  2. Step 2: Convert to fraction form
    521,496.72/719,294.04 = 478,614.42/x
  3. Step 3: Cross multiply
    521,496.72x = 719,294.04 × 478,614.42
  4. Step 4: Simplify right side
    521,496.72x = 344,264,499,764.06
  5. Step 5: Solve for x
    x = 344,264,499,764.06/521,496.72
  6. Step 6: Final answer
    x = 660,147.01

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