Finding the Fourth Proportional to 749,860.28, 1,124,789.60 and 244,421.09
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Solution
The fourth proportional to 749,860.28, 1,124,789.60 and 244,421.09 is: 366,631.36
Step by Step Solution
- Step 1: Write the proportion equation
749,860.28 : 1,124,789.60 = 244,421.09 : x - Step 2: Convert to fraction form
749,860.28/1,124,789.60 = 244,421.09/x - Step 3: Cross multiply
749,860.28x = 1,124,789.60 × 244,421.09 - Step 4: Simplify right side
749,860.28x = 274,922,295,039.77 - Step 5: Solve for x
x = 274,922,295,039.77/749,860.28 - Step 6: Final answer
x = 366,631.36
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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.