Home / 688,596.64-1,031,960.88-332,902.24

Finding the Fourth Proportional to 688,596.64, 1,031,960.88 and 332,902.24

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Solution

The fourth proportional to 688,596.64, 1,031,960.88 and 332,902.24 is: 498,901.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,596.64 : 1,031,960.88 = 332,902.24 : x
  2. Step 2: Convert to fraction form
    688,596.64/1,031,960.88 = 332,902.24/x
  3. Step 3: Cross multiply
    688,596.64x = 1,031,960.88 × 332,902.24
  4. Step 4: Simplify right side
    688,596.64x = 343,542,088,544.37
  5. Step 5: Solve for x
    x = 343,542,088,544.37/688,596.64
  6. Step 6: Final answer
    x = 498,901.78

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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.