Finding the Fourth Proportional to 852,352.94, 1,176,244.64 and 470,376.99
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Solution
The fourth proportional to 852,352.94, 1,176,244.64 and 470,376.99 is: 649,118.91
Step by Step Solution
- Step 1: Write the proportion equation
852,352.94 : 1,176,244.64 = 470,376.99 : x - Step 2: Convert to fraction form
852,352.94/1,176,244.64 = 470,376.99/x - Step 3: Cross multiply
852,352.94x = 1,176,244.64 × 470,376.99 - Step 4: Simplify right side
852,352.94x = 553,278,414,442.78 - Step 5: Solve for x
x = 553,278,414,442.78/852,352.94 - Step 6: Final answer
x = 649,118.91
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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.