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Finding the Fourth Proportional to 492,347.70, 738,521.55 and 413,615.70

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Solution

The fourth proportional to 492,347.70, 738,521.55 and 413,615.70 is: 620,423.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,347.70 : 738,521.55 = 413,615.70 : x
  2. Step 2: Convert to fraction form
    492,347.70/738,521.55 = 413,615.70/x
  3. Step 3: Cross multiply
    492,347.70x = 738,521.55 × 413,615.70
  4. Step 4: Simplify right side
    492,347.70x = 305,464,107,868.34
  5. Step 5: Solve for x
    x = 305,464,107,868.34/492,347.70
  6. Step 6: Final answer
    x = 620,423.55

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