Home / 770,481.95-1,155,435.57-264,899.79

Finding the Fourth Proportional to 770,481.95, 1,155,435.57 and 264,899.79

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Solution

The fourth proportional to 770,481.95, 1,155,435.57 and 264,899.79 is: 397,250.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,481.95 : 1,155,435.57 = 264,899.79 : x
  2. Step 2: Convert to fraction form
    770,481.95/1,155,435.57 = 264,899.79/x
  3. Step 3: Cross multiply
    770,481.95x = 1,155,435.57 × 264,899.79
  4. Step 4: Simplify right side
    770,481.95x = 306,074,639,851.53
  5. Step 5: Solve for x
    x = 306,074,639,851.53/770,481.95
  6. Step 6: Final answer
    x = 397,250.89

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Similar ratio
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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.