Home / 768,221.44-1,060,145.76-424,057.57

Finding the Fourth Proportional to 768,221.44, 1,060,145.76 and 424,057.57

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Solution

The fourth proportional to 768,221.44, 1,060,145.76 and 424,057.57 is: 585,199.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,221.44 : 1,060,145.76 = 424,057.57 : x
  2. Step 2: Convert to fraction form
    768,221.44/1,060,145.76 = 424,057.57/x
  3. Step 3: Cross multiply
    768,221.44x = 1,060,145.76 × 424,057.57
  4. Step 4: Simplify right side
    768,221.44x = 449,562,833,771.26
  5. Step 5: Solve for x
    x = 449,562,833,771.26/768,221.44
  6. Step 6: Final answer
    x = 585,199.54

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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.