Home / 969,250.87-1,337,979.72-690,028.03

Finding the Fourth Proportional to 969,250.87, 1,337,979.72 and 690,028.03

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Solution

The fourth proportional to 969,250.87, 1,337,979.72 and 690,028.03 is: 952,533.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,250.87 : 1,337,979.72 = 690,028.03 : x
  2. Step 2: Convert to fraction form
    969,250.87/1,337,979.72 = 690,028.03/x
  3. Step 3: Cross multiply
    969,250.87x = 1,337,979.72 × 690,028.03
  4. Step 4: Simplify right side
    969,250.87x = 923,243,510,371.55
  5. Step 5: Solve for x
    x = 923,243,510,371.55/969,250.87
  6. Step 6: Final answer
    x = 952,533.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.