Home / 1,010,344.85-1,515,768.37-300,371.75

Finding the Fourth Proportional to 1,010,344.85, 1,515,768.37 and 300,371.75

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Solution

The fourth proportional to 1,010,344.85, 1,515,768.37 and 300,371.75 is: 450,632.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,344.85 : 1,515,768.37 = 300,371.75 : x
  2. Step 2: Convert to fraction form
    1,010,344.85/1,515,768.37 = 300,371.75/x
  3. Step 3: Cross multiply
    1,010,344.85x = 1,515,768.37 × 300,371.75
  4. Step 4: Simplify right side
    1,010,344.85x = 455,293,997,891.55
  5. Step 5: Solve for x
    x = 455,293,997,891.55/1,010,344.85
  6. Step 6: Final answer
    x = 450,632.27

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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.