Home / 899,647.29-1,349,540.64-300,610.55

Finding the Fourth Proportional to 899,647.29, 1,349,540.64 and 300,610.55

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Solution

The fourth proportional to 899,647.29, 1,349,540.64 and 300,610.55 is: 450,939.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,647.29 : 1,349,540.64 = 300,610.55 : x
  2. Step 2: Convert to fraction form
    899,647.29/1,349,540.64 = 300,610.55/x
  3. Step 3: Cross multiply
    899,647.29x = 1,349,540.64 × 300,610.55
  4. Step 4: Simplify right side
    899,647.29x = 405,686,147,290.05
  5. Step 5: Solve for x
    x = 405,686,147,290.05/899,647.29
  6. Step 6: Final answer
    x = 450,939.11

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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.