Finding the Fourth Proportional to 903,929.96, 1,247,114.36 and 516,467.36
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Solution
The fourth proportional to 903,929.96, 1,247,114.36 and 516,467.36 is: 712,548.42
Step by Step Solution
- Step 1: Write the proportion equation
903,929.96 : 1,247,114.36 = 516,467.36 : x - Step 2: Convert to fraction form
903,929.96/1,247,114.36 = 516,467.36/x - Step 3: Cross multiply
903,929.96x = 1,247,114.36 × 516,467.36 - Step 4: Simplify right side
903,929.96x = 644,093,861,127.29 - Step 5: Solve for x
x = 644,093,861,127.29/903,929.96 - Step 6: Final answer
x = 712,548.42
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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.