Home / 470,977.06-649,965.45-269,811.94

Finding the Fourth Proportional to 470,977.06, 649,965.45 and 269,811.94

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Solution

The fourth proportional to 470,977.06, 649,965.45 and 269,811.94 is: 372,350.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,977.06 : 649,965.45 = 269,811.94 : x
  2. Step 2: Convert to fraction form
    470,977.06/649,965.45 = 269,811.94/x
  3. Step 3: Cross multiply
    470,977.06x = 649,965.45 × 269,811.94
  4. Step 4: Simplify right side
    470,977.06x = 175,368,438,997.47
  5. Step 5: Solve for x
    x = 175,368,438,997.47/470,977.06
  6. Step 6: Final answer
    x = 372,350.28

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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.