Home / 874,477.87-1,312,464.49-342,372.57

Finding the Fourth Proportional to 874,477.87, 1,312,464.49 and 342,372.57

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Solution

The fourth proportional to 874,477.87, 1,312,464.49 and 342,372.57 is: 513,851.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,477.87 : 1,312,464.49 = 342,372.57 : x
  2. Step 2: Convert to fraction form
    874,477.87/1,312,464.49 = 342,372.57/x
  3. Step 3: Cross multiply
    874,477.87x = 1,312,464.49 × 342,372.57
  4. Step 4: Simplify right side
    874,477.87x = 449,351,840,475.04
  5. Step 5: Solve for x
    x = 449,351,840,475.04/874,477.87
  6. Step 6: Final answer
    x = 513,851.59

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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.