Finding the Fourth Proportional to 807,337.80, 1,211,006.70 and 682,921.80
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Solution
The fourth proportional to 807,337.80, 1,211,006.70 and 682,921.80 is: 1,024,382.70
Step by Step Solution
- Step 1: Write the proportion equation
807,337.80 : 1,211,006.70 = 682,921.80 : x - Step 2: Convert to fraction form
807,337.80/1,211,006.70 = 682,921.80/x - Step 3: Cross multiply
807,337.80x = 1,211,006.70 × 682,921.80 - Step 4: Simplify right side
807,337.80x = 827,022,875,376.06 - Step 5: Solve for x
x = 827,022,875,376.06/807,337.80 - Step 6: Final answer
x = 1,024,382.70
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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.