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Finding the Fourth Proportional to 509,413.44, 763,070.16 and 298,411.68

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Solution

The fourth proportional to 509,413.44, 763,070.16 and 298,411.68 is: 447,002.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,413.44 : 763,070.16 = 298,411.68 : x
  2. Step 2: Convert to fraction form
    509,413.44/763,070.16 = 298,411.68/x
  3. Step 3: Cross multiply
    509,413.44x = 763,070.16 × 298,411.68
  4. Step 4: Simplify right side
    509,413.44x = 227,709,048,403.47
  5. Step 5: Solve for x
    x = 227,709,048,403.47/509,413.44
  6. Step 6: Final answer
    x = 447,002.44

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