Home / 786,006.57-1,179,258.96-280,556.36

Finding the Fourth Proportional to 786,006.57, 1,179,258.96 and 280,556.36

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Solution

The fourth proportional to 786,006.57, 1,179,258.96 and 280,556.36 is: 420,923.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,006.57 : 1,179,258.96 = 280,556.36 : x
  2. Step 2: Convert to fraction form
    786,006.57/1,179,258.96 = 280,556.36/x
  3. Step 3: Cross multiply
    786,006.57x = 1,179,258.96 × 280,556.36
  4. Step 4: Simplify right side
    786,006.57x = 330,848,595,418.69
  5. Step 5: Solve for x
    x = 330,848,595,418.69/786,006.57
  6. Step 6: Final answer
    x = 420,923.45

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1.5x scale

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.