Finding the Fourth Proportional to 809,545.63, 1,117,189.17 and 446,970.19
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Solution
The fourth proportional to 809,545.63, 1,117,189.17 and 446,970.19 is: 616,827.80
Step by Step Solution
- Step 1: Write the proportion equation
809,545.63 : 1,117,189.17 = 446,970.19 : x - Step 2: Convert to fraction form
809,545.63/1,117,189.17 = 446,970.19/x - Step 3: Cross multiply
809,545.63x = 1,117,189.17 × 446,970.19 - Step 4: Simplify right side
809,545.63x = 499,350,247,760.05 - Step 5: Solve for x
x = 499,350,247,760.05/809,545.63 - Step 6: Final answer
x = 616,827.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.