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Finding the Fourth Proportional to 448,602.20, 619,084.86 and 257,653.88

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Solution

The fourth proportional to 448,602.20, 619,084.86 and 257,653.88 is: 355,570.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,602.20 : 619,084.86 = 257,653.88 : x
  2. Step 2: Convert to fraction form
    448,602.20/619,084.86 = 257,653.88/x
  3. Step 3: Cross multiply
    448,602.20x = 619,084.86 × 257,653.88
  4. Step 4: Simplify right side
    448,602.20x = 159,509,616,228.26
  5. Step 5: Solve for x
    x = 159,509,616,228.26/448,602.20
  6. Step 6: Final answer
    x = 355,570.29

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