Home / 850,239.57-1,274,916.45-317,322.33

Finding the Fourth Proportional to 850,239.57, 1,274,916.45 and 317,322.33

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Solution

The fourth proportional to 850,239.57, 1,274,916.45 and 317,322.33 is: 475,818.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,239.57 : 1,274,916.45 = 317,322.33 : x
  2. Step 2: Convert to fraction form
    850,239.57/1,274,916.45 = 317,322.33/x
  3. Step 3: Cross multiply
    850,239.57x = 1,274,916.45 × 317,322.33
  4. Step 4: Simplify right side
    850,239.57x = 404,559,458,469.33
  5. Step 5: Solve for x
    x = 404,559,458,469.33/850,239.57
  6. Step 6: Final answer
    x = 475,818.20

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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.