Home / 986,561.33-1,479,883.14-312,627.71

Finding the Fourth Proportional to 986,561.33, 1,479,883.14 and 312,627.71

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Solution

The fourth proportional to 986,561.33, 1,479,883.14 and 312,627.71 is: 468,954.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,561.33 : 1,479,883.14 = 312,627.71 : x
  2. Step 2: Convert to fraction form
    986,561.33/1,479,883.14 = 312,627.71/x
  3. Step 3: Cross multiply
    986,561.33x = 1,479,883.14 × 312,627.71
  4. Step 4: Simplify right side
    986,561.33x = 462,652,480,825.52
  5. Step 5: Solve for x
    x = 462,652,480,825.52/986,561.33
  6. Step 6: Final answer
    x = 468,954.61

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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.