Home / 770,220.68-1,155,357.37-264,777.34

Finding the Fourth Proportional to 770,220.68, 1,155,357.37 and 264,777.34

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Solution

The fourth proportional to 770,220.68, 1,155,357.37 and 264,777.34 is: 397,175.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,220.68 : 1,155,357.37 = 264,777.34 : x
  2. Step 2: Convert to fraction form
    770,220.68/1,155,357.37 = 264,777.34/x
  3. Step 3: Cross multiply
    770,220.68x = 1,155,357.37 × 264,777.34
  4. Step 4: Simplify right side
    770,220.68x = 305,912,445,401.21
  5. Step 5: Solve for x
    x = 305,912,445,401.21/770,220.68
  6. Step 6: Final answer
    x = 397,175.06

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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.