Finding the Fourth Proportional to 749,696.80, 1,124,545.24 and 217,218.18
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Solution
The fourth proportional to 749,696.80, 1,124,545.24 and 217,218.18 is: 325,827.28
Step by Step Solution
- Step 1: Write the proportion equation
749,696.80 : 1,124,545.24 = 217,218.18 : x - Step 2: Convert to fraction form
749,696.80/1,124,545.24 = 217,218.18/x - Step 3: Cross multiply
749,696.80x = 1,124,545.24 × 217,218.18 - Step 4: Simplify right side
749,696.80x = 244,271,670,360.46 - Step 5: Solve for x
x = 244,271,670,360.46/749,696.80 - Step 6: Final answer
x = 325,827.28
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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.