Finding the Fourth Proportional to 859,545.66, 1,289,318.49 and 298,580.70
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Solution
The fourth proportional to 859,545.66, 1,289,318.49 and 298,580.70 is: 447,871.05
Step by Step Solution
- Step 1: Write the proportion equation
859,545.66 : 1,289,318.49 = 298,580.70 : x - Step 2: Convert to fraction form
859,545.66/1,289,318.49 = 298,580.70/x - Step 3: Cross multiply
859,545.66x = 1,289,318.49 × 298,580.70 - Step 4: Simplify right side
859,545.66x = 384,965,617,267.14 - Step 5: Solve for x
x = 384,965,617,267.14/859,545.66 - Step 6: Final answer
x = 447,871.05
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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.