Home / 786,289.65-1,178,447.36-336,481.53

Finding the Fourth Proportional to 786,289.65, 1,178,447.36 and 336,481.53

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Solution

The fourth proportional to 786,289.65, 1,178,447.36 and 336,481.53 is: 504,299.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,289.65 : 1,178,447.36 = 336,481.53 : x
  2. Step 2: Convert to fraction form
    786,289.65/1,178,447.36 = 336,481.53/x
  3. Step 3: Cross multiply
    786,289.65x = 1,178,447.36 × 336,481.53
  4. Step 4: Simplify right side
    786,289.65x = 396,525,769,034.85
  5. Step 5: Solve for x
    x = 396,525,769,034.85/786,289.65
  6. Step 6: Final answer
    x = 504,299.87

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1.5x scale

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.