Home / 470,976.06-649,964.07-269,810.94

Finding the Fourth Proportional to 470,976.06, 649,964.07 and 269,810.94

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Solution

The fourth proportional to 470,976.06, 649,964.07 and 269,810.94 is: 372,348.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,976.06 : 649,964.07 = 269,810.94 : x
  2. Step 2: Convert to fraction form
    470,976.06/649,964.07 = 269,810.94/x
  3. Step 3: Cross multiply
    470,976.06x = 649,964.07 × 269,810.94
  4. Step 4: Simplify right side
    470,976.06x = 175,367,416,692.93
  5. Step 5: Solve for x
    x = 175,367,416,692.93/470,976.06
  6. Step 6: Final answer
    x = 372,348.90

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Why These Related Problems?

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