Home / 979,759.40-1,351,974.66-549,941

Finding the Fourth Proportional to 979,759.40, 1,351,974.66 and 549,941

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Solution

The fourth proportional to 979,759.40, 1,351,974.66 and 549,941 is: 758,866.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,759.40 : 1,351,974.66 = 549,941 : x
  2. Step 2: Convert to fraction form
    979,759.40/1,351,974.66 = 549,941/x
  3. Step 3: Cross multiply
    979,759.40x = 1,351,974.66 × 549,941
  4. Step 4: Simplify right side
    979,759.40x = 743,506,296,495.06
  5. Step 5: Solve for x
    x = 743,506,296,495.06/979,759.40
  6. Step 6: Final answer
    x = 758,866.20

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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.