Home / 939,553.52-1,409,279.96-332,299.76

Finding the Fourth Proportional to 939,553.52, 1,409,279.96 and 332,299.76

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Solution

The fourth proportional to 939,553.52, 1,409,279.96 and 332,299.76 is: 498,431.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,553.52 : 1,409,279.96 = 332,299.76 : x
  2. Step 2: Convert to fraction form
    939,553.52/1,409,279.96 = 332,299.76/x
  3. Step 3: Cross multiply
    939,553.52x = 1,409,279.96 × 332,299.76
  4. Step 4: Simplify right side
    939,553.52x = 468,303,392,480.81
  5. Step 5: Solve for x
    x = 468,303,392,480.81/939,553.52
  6. Step 6: Final answer
    x = 498,431.84

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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.