Home / 770,785.58-1,155,890.82-265,203.56

Finding the Fourth Proportional to 770,785.58, 1,155,890.82 and 265,203.56

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Solution

The fourth proportional to 770,785.58, 1,155,890.82 and 265,203.56 is: 397,706.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,785.58 : 1,155,890.82 = 265,203.56 : x
  2. Step 2: Convert to fraction form
    770,785.58/1,155,890.82 = 265,203.56/x
  3. Step 3: Cross multiply
    770,785.58x = 1,155,890.82 × 265,203.56
  4. Step 4: Simplify right side
    770,785.58x = 306,546,360,435.32
  5. Step 5: Solve for x
    x = 306,546,360,435.32/770,785.58
  6. Step 6: Final answer
    x = 397,706.40

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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.