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Finding the Fourth Proportional to 653,034.20, 978,341.70 and 371,715.80

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Solution

The fourth proportional to 653,034.20, 978,341.70 and 371,715.80 is: 556,885.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,034.20 : 978,341.70 = 371,715.80 : x
  2. Step 2: Convert to fraction form
    653,034.20/978,341.70 = 371,715.80/x
  3. Step 3: Cross multiply
    653,034.20x = 978,341.70 × 371,715.80
  4. Step 4: Simplify right side
    653,034.20x = 363,665,067,688.86
  5. Step 5: Solve for x
    x = 363,665,067,688.86/653,034.20
  6. Step 6: Final answer
    x = 556,885.18

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