Home / 946,200.45-1,419,320.78-339,028.30

Finding the Fourth Proportional to 946,200.45, 1,419,320.78 and 339,028.30

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Solution

The fourth proportional to 946,200.45, 1,419,320.78 and 339,028.30 is: 508,549.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,200.45 : 1,419,320.78 = 339,028.30 : x
  2. Step 2: Convert to fraction form
    946,200.45/1,419,320.78 = 339,028.30/x
  3. Step 3: Cross multiply
    946,200.45x = 1,419,320.78 × 339,028.30
  4. Step 4: Simplify right side
    946,200.45x = 481,189,911,198.07
  5. Step 5: Solve for x
    x = 481,189,911,198.07/946,200.45
  6. Step 6: Final answer
    x = 508,549.65

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Double scale
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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.