Home / 723,102.15-1,085,143.25-296,715.06

Finding the Fourth Proportional to 723,102.15, 1,085,143.25 and 296,715.06

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Solution

The fourth proportional to 723,102.15, 1,085,143.25 and 296,715.06 is: 445,273.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,102.15 : 1,085,143.25 = 296,715.06 : x
  2. Step 2: Convert to fraction form
    723,102.15/1,085,143.25 = 296,715.06/x
  3. Step 3: Cross multiply
    723,102.15x = 1,085,143.25 × 296,715.06
  4. Step 4: Simplify right side
    723,102.15x = 321,978,344,532.35
  5. Step 5: Solve for x
    x = 321,978,344,532.35/723,102.15
  6. Step 6: Final answer
    x = 445,273.67

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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.