Home / 948,846.87-1,423,270.38-274,928.64

Finding the Fourth Proportional to 948,846.87, 1,423,270.38 and 274,928.64

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Solution

The fourth proportional to 948,846.87, 1,423,270.38 and 274,928.64 is: 412,392.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,846.87 : 1,423,270.38 = 274,928.64 : x
  2. Step 2: Convert to fraction form
    948,846.87/1,423,270.38 = 274,928.64/x
  3. Step 3: Cross multiply
    948,846.87x = 1,423,270.38 × 274,928.64
  4. Step 4: Simplify right side
    948,846.87x = 391,297,789,925.68
  5. Step 5: Solve for x
    x = 391,297,789,925.68/948,846.87
  6. Step 6: Final answer
    x = 412,392.98

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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.