Home / 879,025.38-1,318,589.14-339,284.72

Finding the Fourth Proportional to 879,025.38, 1,318,589.14 and 339,284.72

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Solution

The fourth proportional to 879,025.38, 1,318,589.14 and 339,284.72 is: 508,946.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,025.38 : 1,318,589.14 = 339,284.72 : x
  2. Step 2: Convert to fraction form
    879,025.38/1,318,589.14 = 339,284.72/x
  3. Step 3: Cross multiply
    879,025.38x = 1,318,589.14 × 339,284.72
  4. Step 4: Simplify right side
    879,025.38x = 447,377,147,159.94
  5. Step 5: Solve for x
    x = 447,377,147,159.94/879,025.38
  6. Step 6: Final answer
    x = 508,946.79

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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.