Finding the Fourth Proportional to 807,788.36, 1,114,749.50 and 440,269.62
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Solution
The fourth proportional to 807,788.36, 1,114,749.50 and 440,269.62 is: 607,572.93
Step by Step Solution
- Step 1: Write the proportion equation
807,788.36 : 1,114,749.50 = 440,269.62 : x - Step 2: Convert to fraction form
807,788.36/1,114,749.50 = 440,269.62/x - Step 3: Cross multiply
807,788.36x = 1,114,749.50 × 440,269.62 - Step 4: Simplify right side
807,788.36x = 490,790,338,760.19 - Step 5: Solve for x
x = 490,790,338,760.19/807,788.36 - Step 6: Final answer
x = 607,572.93
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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.