Home / 958,889.76-1,438,620.84-284,993.52

Finding the Fourth Proportional to 958,889.76, 1,438,620.84 and 284,993.52

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Solution

The fourth proportional to 958,889.76, 1,438,620.84 and 284,993.52 is: 427,575.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,889.76 : 1,438,620.84 = 284,993.52 : x
  2. Step 2: Convert to fraction form
    958,889.76/1,438,620.84 = 284,993.52/x
  3. Step 3: Cross multiply
    958,889.76x = 1,438,620.84 × 284,993.52
  4. Step 4: Simplify right side
    958,889.76x = 409,997,617,136.96
  5. Step 5: Solve for x
    x = 409,997,617,136.96/958,889.76
  6. Step 6: Final answer
    x = 427,575.34

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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.