Home / 653,456.82-979,450.55-332,708.36

Finding the Fourth Proportional to 653,456.82, 979,450.55 and 332,708.36

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Solution

The fourth proportional to 653,456.82, 979,450.55 and 332,708.36 is: 498,688.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,456.82 : 979,450.55 = 332,708.36 : x
  2. Step 2: Convert to fraction form
    653,456.82/979,450.55 = 332,708.36/x
  3. Step 3: Cross multiply
    653,456.82x = 979,450.55 × 332,708.36
  4. Step 4: Simplify right side
    653,456.82x = 325,871,384,574.74
  5. Step 5: Solve for x
    x = 325,871,384,574.74/653,456.82
  6. Step 6: Final answer
    x = 498,688.48

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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.