Finding the Fourth Proportional to 730,545.42, 1,008,174.33 and 408,256.44
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Solution
The fourth proportional to 730,545.42, 1,008,174.33 and 408,256.44 is: 563,405.99
Step by Step Solution
- Step 1: Write the proportion equation
730,545.42 : 1,008,174.33 = 408,256.44 : x - Step 2: Convert to fraction form
730,545.42/1,008,174.33 = 408,256.44/x - Step 3: Cross multiply
730,545.42x = 1,008,174.33 × 408,256.44 - Step 4: Simplify right side
730,545.42x = 411,593,662,865.19 - Step 5: Solve for x
x = 411,593,662,865.19/730,545.42 - Step 6: Final answer
x = 563,405.99
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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.