Home / 762,499.76-1,143,757.85-230,025.40

Finding the Fourth Proportional to 762,499.76, 1,143,757.85 and 230,025.40

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Solution

The fourth proportional to 762,499.76, 1,143,757.85 and 230,025.40 is: 345,040.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,499.76 : 1,143,757.85 = 230,025.40 : x
  2. Step 2: Convert to fraction form
    762,499.76/1,143,757.85 = 230,025.40/x
  3. Step 3: Cross multiply
    762,499.76x = 1,143,757.85 × 230,025.40
  4. Step 4: Simplify right side
    762,499.76x = 263,093,352,939.87
  5. Step 5: Solve for x
    x = 263,093,352,939.87/762,499.76
  6. Step 6: Final answer
    x = 345,040.57

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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.