Home / 874,006.28-1,311,009.44-313,434.44

Finding the Fourth Proportional to 874,006.28, 1,311,009.44 and 313,434.44

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Solution

The fourth proportional to 874,006.28, 1,311,009.44 and 313,434.44 is: 470,151.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,006.28 : 1,311,009.44 = 313,434.44 : x
  2. Step 2: Convert to fraction form
    874,006.28/1,311,009.44 = 313,434.44/x
  3. Step 3: Cross multiply
    874,006.28x = 1,311,009.44 × 313,434.44
  4. Step 4: Simplify right side
    874,006.28x = 410,915,509,661.11
  5. Step 5: Solve for x
    x = 410,915,509,661.11/874,006.28
  6. Step 6: Final answer
    x = 470,151.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.