Finding the Fourth Proportional to 749,601.77, 1,124,402.65 and 217,122.97
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Solution
The fourth proportional to 749,601.77, 1,124,402.65 and 217,122.97 is: 325,684.45
Step by Step Solution
- Step 1: Write the proportion equation
749,601.77 : 1,124,402.65 = 217,122.97 : x - Step 2: Convert to fraction form
749,601.77/1,124,402.65 = 217,122.97/x - Step 3: Cross multiply
749,601.77x = 1,124,402.65 × 217,122.97 - Step 4: Simplify right side
749,601.77x = 244,133,640,933.13 - Step 5: Solve for x
x = 244,133,640,933.13/749,601.77 - Step 6: Final answer
x = 325,684.45
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Similar ratio
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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.