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Finding the Fourth Proportional to 373,894.40, 560,841.60 and 289,913.60

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Solution

The fourth proportional to 373,894.40, 560,841.60 and 289,913.60 is: 434,870.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,894.40 : 560,841.60 = 289,913.60 : x
  2. Step 2: Convert to fraction form
    373,894.40/560,841.60 = 289,913.60/x
  3. Step 3: Cross multiply
    373,894.40x = 560,841.60 × 289,913.60
  4. Step 4: Simplify right side
    373,894.40x = 162,595,607,285.76
  5. Step 5: Solve for x
    x = 162,595,607,285.76/373,894.40
  6. Step 6: Final answer
    x = 434,870.40

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