Home / 770,571.57-1,155,570.01-264,989.42

Finding the Fourth Proportional to 770,571.57, 1,155,570.01 and 264,989.42

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Solution

The fourth proportional to 770,571.57, 1,155,570.01 and 264,989.42 is: 397,385.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,571.57 : 1,155,570.01 = 264,989.42 : x
  2. Step 2: Convert to fraction form
    770,571.57/1,155,570.01 = 264,989.42/x
  3. Step 3: Cross multiply
    770,571.57x = 1,155,570.01 × 264,989.42
  4. Step 4: Simplify right side
    770,571.57x = 306,213,820,278.97
  5. Step 5: Solve for x
    x = 306,213,820,278.97/770,571.57
  6. Step 6: Final answer
    x = 397,385.31

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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.