Finding the Fourth Proportional to 807,890.13, 1,114,837.56 and 445,293.99
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Solution
The fourth proportional to 807,890.13, 1,114,837.56 and 445,293.99 is: 614,477.70
Step by Step Solution
- Step 1: Write the proportion equation
807,890.13 : 1,114,837.56 = 445,293.99 : x - Step 2: Convert to fraction form
807,890.13/1,114,837.56 = 445,293.99/x - Step 3: Cross multiply
807,890.13x = 1,114,837.56 × 445,293.99 - Step 4: Simplify right side
807,890.13x = 496,430,465,294.26 - Step 5: Solve for x
x = 496,430,465,294.26/807,890.13 - Step 6: Final answer
x = 614,477.70
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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.