Finding the Fourth Proportional to 852,687.09, 1,176,677.35 and 470,705.67
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Solution
The fourth proportional to 852,687.09, 1,176,677.35 and 470,705.67 is: 649,556.80
Step by Step Solution
- Step 1: Write the proportion equation
852,687.09 : 1,176,677.35 = 470,705.67 : x - Step 2: Convert to fraction form
852,687.09/1,176,677.35 = 470,705.67/x - Step 3: Cross multiply
852,687.09x = 1,176,677.35 × 470,705.67 - Step 4: Simplify right side
852,687.09x = 553,868,699,228.81 - Step 5: Solve for x
x = 553,868,699,228.81/852,687.09 - Step 6: Final answer
x = 649,556.80
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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.