Home / 776,869.14-1,072,133.31-470,958.41

Finding the Fourth Proportional to 776,869.14, 1,072,133.31 and 470,958.41

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Solution

The fourth proportional to 776,869.14, 1,072,133.31 and 470,958.41 is: 649,955.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,869.14 : 1,072,133.31 = 470,958.41 : x
  2. Step 2: Convert to fraction form
    776,869.14/1,072,133.31 = 470,958.41/x
  3. Step 3: Cross multiply
    776,869.14x = 1,072,133.31 × 470,958.41
  4. Step 4: Simplify right side
    776,869.14x = 504,930,204,939.75
  5. Step 5: Solve for x
    x = 504,930,204,939.75/776,869.14
  6. Step 6: Final answer
    x = 649,955.29

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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.