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Finding the Fourth Proportional to 443,981.70, 665,972.55 and 194,663.70

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Solution

The fourth proportional to 443,981.70, 665,972.55 and 194,663.70 is: 291,995.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,981.70 : 665,972.55 = 194,663.70 : x
  2. Step 2: Convert to fraction form
    443,981.70/665,972.55 = 194,663.70/x
  3. Step 3: Cross multiply
    443,981.70x = 665,972.55 × 194,663.70
  4. Step 4: Simplify right side
    443,981.70x = 129,640,680,681.44
  5. Step 5: Solve for x
    x = 129,640,680,681.44/443,981.70
  6. Step 6: Final answer
    x = 291,995.55

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