Home / 770,169.80-1,155,331.90-264,664.20

Finding the Fourth Proportional to 770,169.80, 1,155,331.90 and 264,664.20

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Solution

The fourth proportional to 770,169.80, 1,155,331.90 and 264,664.20 is: 397,022.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,169.80 : 1,155,331.90 = 264,664.20 : x
  2. Step 2: Convert to fraction form
    770,169.80/1,155,331.90 = 264,664.20/x
  3. Step 3: Cross multiply
    770,169.80x = 1,155,331.90 × 264,664.20
  4. Step 4: Simplify right side
    770,169.80x = 305,774,993,047.98
  5. Step 5: Solve for x
    x = 305,774,993,047.98/770,169.80
  6. Step 6: Final answer
    x = 397,022.83

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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.