Home / 980,634.51-1,470,951.81-349,105.44

Finding the Fourth Proportional to 980,634.51, 1,470,951.81 and 349,105.44

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Solution

The fourth proportional to 980,634.51, 1,470,951.81 and 349,105.44 is: 523,658.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,634.51 : 1,470,951.81 = 349,105.44 : x
  2. Step 2: Convert to fraction form
    980,634.51/1,470,951.81 = 349,105.44/x
  3. Step 3: Cross multiply
    980,634.51x = 1,470,951.81 × 349,105.44
  4. Step 4: Simplify right side
    980,634.51x = 513,517,278,848.85
  5. Step 5: Solve for x
    x = 513,517,278,848.85/980,634.51
  6. Step 6: Final answer
    x = 523,658.18

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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.