Home / 770,478.96-1,155,431.07-264,896.79

Finding the Fourth Proportional to 770,478.96, 1,155,431.07 and 264,896.79

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Solution

The fourth proportional to 770,478.96, 1,155,431.07 and 264,896.79 is: 397,246.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,478.96 : 1,155,431.07 = 264,896.79 : x
  2. Step 2: Convert to fraction form
    770,478.96/1,155,431.07 = 264,896.79/x
  3. Step 3: Cross multiply
    770,478.96x = 1,155,431.07 × 264,896.79
  4. Step 4: Simplify right side
    770,478.96x = 306,069,981,509.27
  5. Step 5: Solve for x
    x = 306,069,981,509.27/770,478.96
  6. Step 6: Final answer
    x = 397,246.38

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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.