Home / 786,475.26-1,179,581.61-225,378.54

Finding the Fourth Proportional to 786,475.26, 1,179,581.61 and 225,378.54

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Solution

The fourth proportional to 786,475.26, 1,179,581.61 and 225,378.54 is: 338,030.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,475.26 : 1,179,581.61 = 225,378.54 : x
  2. Step 2: Convert to fraction form
    786,475.26/1,179,581.61 = 225,378.54/x
  3. Step 3: Cross multiply
    786,475.26x = 1,179,581.61 × 225,378.54
  4. Step 4: Simplify right side
    786,475.26x = 265,852,381,072.65
  5. Step 5: Solve for x
    x = 265,852,381,072.65/786,475.26
  6. Step 6: Final answer
    x = 338,030.19

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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.