Home / 986,103.37-1,479,376.73-312,224.95

Finding the Fourth Proportional to 986,103.37, 1,479,376.73 and 312,224.95

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Solution

The fourth proportional to 986,103.37, 1,479,376.73 and 312,224.95 is: 468,407.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,103.37 : 1,479,376.73 = 312,224.95 : x
  2. Step 2: Convert to fraction form
    986,103.37/1,479,376.73 = 312,224.95/x
  3. Step 3: Cross multiply
    986,103.37x = 1,479,376.73 × 312,224.95
  4. Step 4: Simplify right side
    986,103.37x = 461,898,325,555.41
  5. Step 5: Solve for x
    x = 461,898,325,555.41/986,103.37
  6. Step 6: Final answer
    x = 468,407.61

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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.