Finding the Fourth Proportional to 990,295.78, 1,485,995.49 and 534,877.84
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Solution
The fourth proportional to 990,295.78, 1,485,995.49 and 534,877.84 is: 802,614.81
Step by Step Solution
- Step 1: Write the proportion equation
990,295.78 : 1,485,995.49 = 534,877.84 : x - Step 2: Convert to fraction form
990,295.78/1,485,995.49 = 534,877.84/x - Step 3: Cross multiply
990,295.78x = 1,485,995.49 × 534,877.84 - Step 4: Simplify right side
990,295.78x = 794,826,057,940.94 - Step 5: Solve for x
x = 794,826,057,940.94/990,295.78 - Step 6: Final answer
x = 802,614.81
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.