Home / 969,431.25-1,454,811.11-338,345.06

Finding the Fourth Proportional to 969,431.25, 1,454,811.11 and 338,345.06

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Solution

The fourth proportional to 969,431.25, 1,454,811.11 and 338,345.06 is: 507,749.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,431.25 : 1,454,811.11 = 338,345.06 : x
  2. Step 2: Convert to fraction form
    969,431.25/1,454,811.11 = 338,345.06/x
  3. Step 3: Cross multiply
    969,431.25x = 1,454,811.11 × 338,345.06
  4. Step 4: Simplify right side
    969,431.25x = 492,228,150,609.89
  5. Step 5: Solve for x
    x = 492,228,150,609.89/969,431.25
  6. Step 6: Final answer
    x = 507,749.42

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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.