Finding the Fourth Proportional to 823,463.96, 1,135,477.86 and 536,451.80
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Solution
The fourth proportional to 823,463.96, 1,135,477.86 and 536,451.80 is: 739,715.61
Step by Step Solution
- Step 1: Write the proportion equation
823,463.96 : 1,135,477.86 = 536,451.80 : x - Step 2: Convert to fraction form
823,463.96/1,135,477.86 = 536,451.80/x - Step 3: Cross multiply
823,463.96x = 1,135,477.86 × 536,451.80 - Step 4: Simplify right side
823,463.96x = 609,129,141,857.15 - Step 5: Solve for x
x = 609,129,141,857.15/823,463.96 - Step 6: Final answer
x = 739,715.61
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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.