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Finding the Fourth Proportional to 448,492.92, 618,893.10 and 257,488.44

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Solution

The fourth proportional to 448,492.92, 618,893.10 and 257,488.44 is: 355,318.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,492.92 : 618,893.10 = 257,488.44 : x
  2. Step 2: Convert to fraction form
    448,492.92/618,893.10 = 257,488.44/x
  3. Step 3: Cross multiply
    448,492.92x = 618,893.10 × 257,488.44
  4. Step 4: Simplify right side
    448,492.92x = 159,357,818,845.76
  5. Step 5: Solve for x
    x = 159,357,818,845.76/448,492.92
  6. Step 6: Final answer
    x = 355,318.47

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