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Finding the Fourth Proportional to 573,050.40, 859,575.60 and 289,615.20

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Solution

The fourth proportional to 573,050.40, 859,575.60 and 289,615.20 is: 434,422.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,050.40 : 859,575.60 = 289,615.20 : x
  2. Step 2: Convert to fraction form
    573,050.40/859,575.60 = 289,615.20/x
  3. Step 3: Cross multiply
    573,050.40x = 859,575.60 × 289,615.20
  4. Step 4: Simplify right side
    573,050.40x = 248,946,159,309.12
  5. Step 5: Solve for x
    x = 248,946,159,309.12/573,050.40
  6. Step 6: Final answer
    x = 434,422.80

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