Home / 964,091.28-1,445,845.77-289,993.62

Finding the Fourth Proportional to 964,091.28, 1,445,845.77 and 289,993.62

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Solution

The fourth proportional to 964,091.28, 1,445,845.77 and 289,993.62 is: 434,902.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,091.28 : 1,445,845.77 = 289,993.62 : x
  2. Step 2: Convert to fraction form
    964,091.28/1,445,845.77 = 289,993.62/x
  3. Step 3: Cross multiply
    964,091.28x = 1,445,845.77 × 289,993.62
  4. Step 4: Simplify right side
    964,091.28x = 419,286,048,803.99
  5. Step 5: Solve for x
    x = 419,286,048,803.99/964,091.28
  6. Step 6: Final answer
    x = 434,902.85

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1.5x scale

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.