Home / 762,491.41-1,143,745.32-230,017.05

Finding the Fourth Proportional to 762,491.41, 1,143,745.32 and 230,017.05

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Solution

The fourth proportional to 762,491.41, 1,143,745.32 and 230,017.05 is: 345,028.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,491.41 : 1,143,745.32 = 230,017.05 : x
  2. Step 2: Convert to fraction form
    762,491.41/1,143,745.32 = 230,017.05/x
  3. Step 3: Cross multiply
    762,491.41x = 1,143,745.32 × 230,017.05
  4. Step 4: Simplify right side
    762,491.41x = 263,080,928,746.75
  5. Step 5: Solve for x
    x = 263,080,928,746.75/762,491.41
  6. Step 6: Final answer
    x = 345,028.06

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Double scale
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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.