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Finding the Fourth Proportional to 492,093.40, 738,140.10 and 448,547.80

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Solution

The fourth proportional to 492,093.40, 738,140.10 and 448,547.80 is: 672,821.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,093.40 : 738,140.10 = 448,547.80 : x
  2. Step 2: Convert to fraction form
    492,093.40/738,140.10 = 448,547.80/x
  3. Step 3: Cross multiply
    492,093.40x = 738,140.10 × 448,547.80
  4. Step 4: Simplify right side
    492,093.40x = 331,091,117,946.78
  5. Step 5: Solve for x
    x = 331,091,117,946.78/492,093.40
  6. Step 6: Final answer
    x = 672,821.70

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