Home / 972,378.67-1,458,568.05-262,405.57

Finding the Fourth Proportional to 972,378.67, 1,458,568.05 and 262,405.57

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Solution

The fourth proportional to 972,378.67, 1,458,568.05 and 262,405.57 is: 393,608.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,378.67 : 1,458,568.05 = 262,405.57 : x
  2. Step 2: Convert to fraction form
    972,378.67/1,458,568.05 = 262,405.57/x
  3. Step 3: Cross multiply
    972,378.67x = 1,458,568.05 × 262,405.57
  4. Step 4: Simplify right side
    972,378.67x = 382,736,380,544.04
  5. Step 5: Solve for x
    x = 382,736,380,544.04/972,378.67
  6. Step 6: Final answer
    x = 393,608.37

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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.