Finding the Fourth Proportional to 807,302.70, 1,209,204.45 and 667,334.70
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Solution
The fourth proportional to 807,302.70, 1,209,204.45 and 667,334.70 is: 999,555.79
Step by Step Solution
- Step 1: Write the proportion equation
807,302.70 : 1,209,204.45 = 667,334.70 : x - Step 2: Convert to fraction form
807,302.70/1,209,204.45 = 667,334.70/x - Step 3: Cross multiply
807,302.70x = 1,209,204.45 × 667,334.70 - Step 4: Simplify right side
807,302.70x = 806,944,088,879.42 - Step 5: Solve for x
x = 806,944,088,879.42/807,302.70 - Step 6: Final answer
x = 999,555.79
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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.