Home / 984,678.60-1,476,996.30-274,686.60

Finding the Fourth Proportional to 984,678.60, 1,476,996.30 and 274,686.60

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Solution

The fourth proportional to 984,678.60, 1,476,996.30 and 274,686.60 is: 412,023.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,678.60 : 1,476,996.30 = 274,686.60 : x
  2. Step 2: Convert to fraction form
    984,678.60/1,476,996.30 = 274,686.60/x
  3. Step 3: Cross multiply
    984,678.60x = 1,476,996.30 × 274,686.60
  4. Step 4: Simplify right side
    984,678.60x = 405,711,091,859.58
  5. Step 5: Solve for x
    x = 405,711,091,859.58/984,678.60
  6. Step 6: Final answer
    x = 412,023.87

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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.