Finding the Fourth Proportional to 749,874.36, 1,124,928.18 and 244,317.63
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Solution
The fourth proportional to 749,874.36, 1,124,928.18 and 244,317.63 is: 366,514.45
Step by Step Solution
- Step 1: Write the proportion equation
749,874.36 : 1,124,928.18 = 244,317.63 : x - Step 2: Convert to fraction form
749,874.36/1,124,928.18 = 244,317.63/x - Step 3: Cross multiply
749,874.36x = 1,124,928.18 × 244,317.63 - Step 4: Simplify right side
749,874.36x = 274,839,786,857.81 - Step 5: Solve for x
x = 274,839,786,857.81/749,874.36 - Step 6: Final answer
x = 366,514.45
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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.