Home / 646,869.75-969,021.14-304,844.82

Finding the Fourth Proportional to 646,869.75, 969,021.14 and 304,844.82

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Solution

The fourth proportional to 646,869.75, 969,021.14 and 304,844.82 is: 456,662.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,869.75 : 969,021.14 = 304,844.82 : x
  2. Step 2: Convert to fraction form
    646,869.75/969,021.14 = 304,844.82/x
  3. Step 3: Cross multiply
    646,869.75x = 969,021.14 × 304,844.82
  4. Step 4: Simplify right side
    646,869.75x = 295,401,073,475.27
  5. Step 5: Solve for x
    x = 295,401,073,475.27/646,869.75
  6. Step 6: Final answer
    x = 456,662.37

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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.