Finding the Fourth Proportional to 719,006.68, 992,249.99 and 396,737.54
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Solution
The fourth proportional to 719,006.68, 992,249.99 and 396,737.54 is: 547,509.27
Step by Step Solution
- Step 1: Write the proportion equation
719,006.68 : 992,249.99 = 396,737.54 : x - Step 2: Convert to fraction form
719,006.68/992,249.99 = 396,737.54/x - Step 3: Cross multiply
719,006.68x = 992,249.99 × 396,737.54 - Step 4: Simplify right side
719,006.68x = 393,662,820,097.63 - Step 5: Solve for x
x = 393,662,820,097.63/719,006.68 - Step 6: Final answer
x = 547,509.27
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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.