Home / 879,028.94-1,318,594.45-339,288.28

Finding the Fourth Proportional to 879,028.94, 1,318,594.45 and 339,288.28

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Solution

The fourth proportional to 879,028.94, 1,318,594.45 and 339,288.28 is: 508,952.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,028.94 : 1,318,594.45 = 339,288.28 : x
  2. Step 2: Convert to fraction form
    879,028.94/1,318,594.45 = 339,288.28/x
  3. Step 3: Cross multiply
    879,028.94x = 1,318,594.45 × 339,288.28
  4. Step 4: Simplify right side
    879,028.94x = 447,383,642,958.05
  5. Step 5: Solve for x
    x = 447,383,642,958.05/879,028.94
  6. Step 6: Final answer
    x = 508,952.12

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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.