Finding the Fourth Proportional to 852,545.74, 1,176,541.62 and 465,384.12
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Solution
The fourth proportional to 852,545.74, 1,176,541.62 and 465,384.12 is: 642,245.64
Step by Step Solution
- Step 1: Write the proportion equation
852,545.74 : 1,176,541.62 = 465,384.12 : x - Step 2: Convert to fraction form
852,545.74/1,176,541.62 = 465,384.12/x - Step 3: Cross multiply
852,545.74x = 1,176,541.62 × 465,384.12 - Step 4: Simplify right side
852,545.74x = 547,543,786,467.07 - Step 5: Solve for x
x = 547,543,786,467.07/852,545.74 - Step 6: Final answer
x = 642,245.64
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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.