Home / 653,456.57-979,450.18-332,708.11

Finding the Fourth Proportional to 653,456.57, 979,450.18 and 332,708.11

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Solution

The fourth proportional to 653,456.57, 979,450.18 and 332,708.11 is: 498,688.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,456.57 : 979,450.18 = 332,708.11 : x
  2. Step 2: Convert to fraction form
    653,456.57/979,450.18 = 332,708.11/x
  3. Step 3: Cross multiply
    653,456.57x = 979,450.18 × 332,708.11
  4. Step 4: Simplify right side
    653,456.57x = 325,871,014,946.56
  5. Step 5: Solve for x
    x = 325,871,014,946.56/653,456.57
  6. Step 6: Final answer
    x = 498,688.10

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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.