Home / 769,125.12-1,152,982.37-295,453.72

Finding the Fourth Proportional to 769,125.12, 1,152,982.37 and 295,453.72

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Solution

The fourth proportional to 769,125.12, 1,152,982.37 and 295,453.72 is: 442,909.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,125.12 : 1,152,982.37 = 295,453.72 : x
  2. Step 2: Convert to fraction form
    769,125.12/1,152,982.37 = 295,453.72/x
  3. Step 3: Cross multiply
    769,125.12x = 1,152,982.37 × 295,453.72
  4. Step 4: Simplify right side
    769,125.12x = 340,652,928,833.65
  5. Step 5: Solve for x
    x = 340,652,928,833.65/769,125.12
  6. Step 6: Final answer
    x = 442,909.64

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Double scale
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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.