Finding the Fourth Proportional to 649,893.76, 896,954.88 and 395,324.80
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Solution
The fourth proportional to 649,893.76, 896,954.88 and 395,324.80 is: 545,609.96
Step by Step Solution
- Step 1: Write the proportion equation
649,893.76 : 896,954.88 = 395,324.80 : x - Step 2: Convert to fraction form
649,893.76/896,954.88 = 395,324.80/x - Step 3: Cross multiply
649,893.76x = 896,954.88 × 395,324.80 - Step 4: Simplify right side
649,893.76x = 354,588,508,545.02 - Step 5: Solve for x
x = 354,588,508,545.02/649,893.76 - Step 6: Final answer
x = 545,609.96
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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.