Home / 958,636.72-1,322,922.90-528,916.60

Finding the Fourth Proportional to 958,636.72, 1,322,922.90 and 528,916.60

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Solution

The fourth proportional to 958,636.72, 1,322,922.90 and 528,916.60 is: 729,907.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,636.72 : 1,322,922.90 = 528,916.60 : x
  2. Step 2: Convert to fraction form
    958,636.72/1,322,922.90 = 528,916.60/x
  3. Step 3: Cross multiply
    958,636.72x = 1,322,922.90 × 528,916.60
  4. Step 4: Simplify right side
    958,636.72x = 699,715,882,330.14
  5. Step 5: Solve for x
    x = 699,715,882,330.14/958,636.72
  6. Step 6: Final answer
    x = 729,907.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.