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Finding the Fourth Proportional to 492,063.10, 738,094.65 and 429,855.10

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Solution

The fourth proportional to 492,063.10, 738,094.65 and 429,855.10 is: 644,782.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,063.10 : 738,094.65 = 429,855.10 : x
  2. Step 2: Convert to fraction form
    492,063.10/738,094.65 = 429,855.10/x
  3. Step 3: Cross multiply
    492,063.10x = 738,094.65 × 429,855.10
  4. Step 4: Simplify right side
    492,063.10x = 317,273,749,585.22
  5. Step 5: Solve for x
    x = 317,273,749,585.22/492,063.10
  6. Step 6: Final answer
    x = 644,782.65

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