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Finding the Fourth Proportional to 488,611.80, 731,492.10 and 348,643.80

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Solution

The fourth proportional to 488,611.80, 731,492.10 and 348,643.80 is: 521,948.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,611.80 : 731,492.10 = 348,643.80 : x
  2. Step 2: Convert to fraction form
    488,611.80/731,492.10 = 348,643.80/x
  3. Step 3: Cross multiply
    488,611.80x = 731,492.10 × 348,643.80
  4. Step 4: Simplify right side
    488,611.80x = 255,030,185,413.98
  5. Step 5: Solve for x
    x = 255,030,185,413.98/488,611.80
  6. Step 6: Final answer
    x = 521,948.48

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