Home / 980,469.34-1,470,705.17-306,554.20

Finding the Fourth Proportional to 980,469.34, 1,470,705.17 and 306,554.20

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Solution

The fourth proportional to 980,469.34, 1,470,705.17 and 306,554.20 is: 459,831.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,469.34 : 1,470,705.17 = 306,554.20 : x
  2. Step 2: Convert to fraction form
    980,469.34/1,470,705.17 = 306,554.20/x
  3. Step 3: Cross multiply
    980,469.34x = 1,470,705.17 × 306,554.20
  4. Step 4: Simplify right side
    980,469.34x = 450,850,846,825.21
  5. Step 5: Solve for x
    x = 450,850,846,825.21/980,469.34
  6. Step 6: Final answer
    x = 459,831.66

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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.