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Finding the Fourth Proportional to 443,706.47, 665,389.61 and 349,122.77

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Solution

The fourth proportional to 443,706.47, 665,389.61 and 349,122.77 is: 523,550.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,706.47 : 665,389.61 = 349,122.77 : x
  2. Step 2: Convert to fraction form
    443,706.47/665,389.61 = 349,122.77/x
  3. Step 3: Cross multiply
    443,706.47x = 665,389.61 × 349,122.77
  4. Step 4: Simplify right side
    443,706.47x = 232,302,662,026.81
  5. Step 5: Solve for x
    x = 232,302,662,026.81/443,706.47
  6. Step 6: Final answer
    x = 523,550.31

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