Finding the Fourth Proportional to 807,832.53, 1,114,802.73 and 445,257.09
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Solution
The fourth proportional to 807,832.53, 1,114,802.73 and 445,257.09 is: 614,451.39
Step by Step Solution
- Step 1: Write the proportion equation
807,832.53 : 1,114,802.73 = 445,257.09 : x - Step 2: Convert to fraction form
807,832.53/1,114,802.73 = 445,257.09/x - Step 3: Cross multiply
807,832.53x = 1,114,802.73 × 445,257.09 - Step 4: Simplify right side
807,832.53x = 496,373,819,483.86 - Step 5: Solve for x
x = 496,373,819,483.86/807,832.53 - Step 6: Final answer
x = 614,451.39
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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.