Home / 969,279.84-1,453,804.32-259,362.72

Finding the Fourth Proportional to 969,279.84, 1,453,804.32 and 259,362.72

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Solution

The fourth proportional to 969,279.84, 1,453,804.32 and 259,362.72 is: 389,013.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,279.84 : 1,453,804.32 = 259,362.72 : x
  2. Step 2: Convert to fraction form
    969,279.84/1,453,804.32 = 259,362.72/x
  3. Step 3: Cross multiply
    969,279.84x = 1,453,804.32 × 259,362.72
  4. Step 4: Simplify right side
    969,279.84x = 377,062,642,782.95
  5. Step 5: Solve for x
    x = 377,062,642,782.95/969,279.84
  6. Step 6: Final answer
    x = 389,013.19

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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.