Home / 770,628.54-1,155,656.07-265,047.60

Finding the Fourth Proportional to 770,628.54, 1,155,656.07 and 265,047.60

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Solution

The fourth proportional to 770,628.54, 1,155,656.07 and 265,047.60 is: 397,472.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,628.54 : 1,155,656.07 = 265,047.60 : x
  2. Step 2: Convert to fraction form
    770,628.54/1,155,656.07 = 265,047.60/x
  3. Step 3: Cross multiply
    770,628.54x = 1,155,656.07 × 265,047.60
  4. Step 4: Simplify right side
    770,628.54x = 306,303,867,778.93
  5. Step 5: Solve for x
    x = 306,303,867,778.93/770,628.54
  6. Step 6: Final answer
    x = 397,472.78

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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.