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Finding the Fourth Proportional to 488,428.40, 732,545.40 and 235,708.40

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Solution

The fourth proportional to 488,428.40, 732,545.40 and 235,708.40 is: 353,515.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,428.40 : 732,545.40 = 235,708.40 : x
  2. Step 2: Convert to fraction form
    488,428.40/732,545.40 = 235,708.40/x
  3. Step 3: Cross multiply
    488,428.40x = 732,545.40 × 235,708.40
  4. Step 4: Simplify right side
    488,428.40x = 172,667,104,161.36
  5. Step 5: Solve for x
    x = 172,667,104,161.36/488,428.40
  6. Step 6: Final answer
    x = 353,515.69

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