Finding the Fourth Proportional to 979,794.37, 1,469,783.99 and 380,801.40
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Solution
The fourth proportional to 979,794.37, 1,469,783.99 and 380,801.40 is: 571,238.03
Step by Step Solution
- Step 1: Write the proportion equation
979,794.37 : 1,469,783.99 = 380,801.40 : x - Step 2: Convert to fraction form
979,794.37/1,469,783.99 = 380,801.40/x - Step 3: Cross multiply
979,794.37x = 1,469,783.99 × 380,801.40 - Step 4: Simplify right side
979,794.37x = 559,695,801,089.59 - Step 5: Solve for x
x = 559,695,801,089.59/979,794.37 - Step 6: Final answer
x = 571,238.03
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.