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Finding the Fourth Proportional to 470,628.54, 649,472.39 and 255,768.60

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Solution

The fourth proportional to 470,628.54, 649,472.39 and 255,768.60 is: 352,963.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,628.54 : 649,472.39 = 255,768.60 : x
  2. Step 2: Convert to fraction form
    470,628.54/649,472.39 = 255,768.60/x
  3. Step 3: Cross multiply
    470,628.54x = 649,472.39 × 255,768.60
  4. Step 4: Simplify right side
    470,628.54x = 166,114,643,928.95
  5. Step 5: Solve for x
    x = 166,114,643,928.95/470,628.54
  6. Step 6: Final answer
    x = 352,963.39

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.