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Finding the Fourth Proportional to 653,028.20, 978,332.70 and 371,709.80

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Solution

The fourth proportional to 653,028.20, 978,332.70 and 371,709.80 is: 556,876.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,028.20 : 978,332.70 = 371,709.80 : x
  2. Step 2: Convert to fraction form
    653,028.20/978,332.70 = 371,709.80/x
  3. Step 3: Cross multiply
    653,028.20x = 978,332.70 × 371,709.80
  4. Step 4: Simplify right side
    653,028.20x = 363,655,852,250.46
  5. Step 5: Solve for x
    x = 363,655,852,250.46/653,028.20
  6. Step 6: Final answer
    x = 556,876.18

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