Home / 762,491.83-1,143,745.97-230,017.48

Finding the Fourth Proportional to 762,491.83, 1,143,745.97 and 230,017.48

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Solution

The fourth proportional to 762,491.83, 1,143,745.97 and 230,017.48 is: 345,028.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,491.83 : 1,143,745.97 = 230,017.48 : x
  2. Step 2: Convert to fraction form
    762,491.83/1,143,745.97 = 230,017.48/x
  3. Step 3: Cross multiply
    762,491.83x = 1,143,745.97 × 230,017.48
  4. Step 4: Simplify right side
    762,491.83x = 263,081,565,779.56
  5. Step 5: Solve for x
    x = 263,081,565,779.56/762,491.83
  6. Step 6: Final answer
    x = 345,028.70

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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.