Finding the Fourth Proportional to 807,342.67, 1,210,593.49 and 380,763.94
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Solution
The fourth proportional to 807,342.67, 1,210,593.49 and 380,763.94 is: 570,947.58
Step by Step Solution
- Step 1: Write the proportion equation
807,342.67 : 1,210,593.49 = 380,763.94 : x - Step 2: Convert to fraction form
807,342.67/1,210,593.49 = 380,763.94/x - Step 3: Cross multiply
807,342.67x = 1,210,593.49 × 380,763.94 - Step 4: Simplify right side
807,342.67x = 460,950,346,990.75 - Step 5: Solve for x
x = 460,950,346,990.75/807,342.67 - Step 6: Final answer
x = 570,947.58
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.