Home / 981,477.44-1,472,216.50-307,611.03

Finding the Fourth Proportional to 981,477.44, 1,472,216.50 and 307,611.03

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Solution

The fourth proportional to 981,477.44, 1,472,216.50 and 307,611.03 is: 461,416.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,477.44 : 1,472,216.50 = 307,611.03 : x
  2. Step 2: Convert to fraction form
    981,477.44/1,472,216.50 = 307,611.03/x
  3. Step 3: Cross multiply
    981,477.44x = 1,472,216.50 × 307,611.03
  4. Step 4: Simplify right side
    981,477.44x = 452,870,033,948.00
  5. Step 5: Solve for x
    x = 452,870,033,948.00/981,477.44
  6. Step 6: Final answer
    x = 461,416.65

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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.