Finding the Fourth Proportional to 747,472.63, 1,121,168.75 and 368,015.08
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Solution
The fourth proportional to 747,472.63, 1,121,168.75 and 368,015.08 is: 552,002.83
Step by Step Solution
- Step 1: Write the proportion equation
747,472.63 : 1,121,168.75 = 368,015.08 : x - Step 2: Convert to fraction form
747,472.63/1,121,168.75 = 368,015.08/x - Step 3: Cross multiply
747,472.63x = 1,121,168.75 × 368,015.08 - Step 4: Simplify right side
747,472.63x = 412,607,002,581.75 - Step 5: Solve for x
x = 412,607,002,581.75/747,472.63 - Step 6: Final answer
x = 552,002.83
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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.