Home / 1,010,245.75-1,515,618.31-300,270.83

Finding the Fourth Proportional to 1,010,245.75, 1,515,618.31 and 300,270.83

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Solution

The fourth proportional to 1,010,245.75, 1,515,618.31 and 300,270.83 is: 450,480.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,245.75 : 1,515,618.31 = 300,270.83 : x
  2. Step 2: Convert to fraction form
    1,010,245.75/1,515,618.31 = 300,270.83/x
  3. Step 3: Cross multiply
    1,010,245.75x = 1,515,618.31 × 300,270.83
  4. Step 4: Simplify right side
    1,010,245.75x = 455,095,967,906.90
  5. Step 5: Solve for x
    x = 455,095,967,906.90/1,010,245.75
  6. Step 6: Final answer
    x = 450,480.46

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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.