Home / 979,515.88-1,351,628.14-549,843.28

Finding the Fourth Proportional to 979,515.88, 1,351,628.14 and 549,843.28

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Solution

The fourth proportional to 979,515.88, 1,351,628.14 and 549,843.28 is: 758,725.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,515.88 : 1,351,628.14 = 549,843.28 : x
  2. Step 2: Convert to fraction form
    979,515.88/1,351,628.14 = 549,843.28/x
  3. Step 3: Cross multiply
    979,515.88x = 1,351,628.14 × 549,843.28
  4. Step 4: Simplify right side
    979,515.88x = 743,183,649,837.90
  5. Step 5: Solve for x
    x = 743,183,649,837.90/979,515.88
  6. Step 6: Final answer
    x = 758,725.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.