Finding the Fourth Proportional to 852,551.82, 1,176,521.61 and 470,578.70
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Solution
The fourth proportional to 852,551.82, 1,176,521.61 and 470,578.70 is: 649,398.65
Step by Step Solution
- Step 1: Write the proportion equation
852,551.82 : 1,176,521.61 = 470,578.70 : x - Step 2: Convert to fraction form
852,551.82/1,176,521.61 = 470,578.70/x - Step 3: Cross multiply
852,551.82x = 1,176,521.61 × 470,578.70 - Step 4: Simplify right side
852,551.82x = 553,646,003,873.10 - Step 5: Solve for x
x = 553,646,003,873.10/852,551.82 - Step 6: Final answer
x = 649,398.65
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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.