Finding the Fourth Proportional to 726,545.70, 1,087,226.55 and 460,433.70
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Solution
The fourth proportional to 726,545.70, 1,087,226.55 and 460,433.70 is: 689,007.92
Step by Step Solution
- Step 1: Write the proportion equation
726,545.70 : 1,087,226.55 = 460,433.70 : x - Step 2: Convert to fraction form
726,545.70/1,087,226.55 = 460,433.70/x - Step 3: Cross multiply
726,545.70x = 1,087,226.55 × 460,433.70 - Step 4: Simplify right side
726,545.70x = 500,595,743,154.74 - Step 5: Solve for x
x = 500,595,743,154.74/726,545.70 - Step 6: Final answer
x = 689,007.92
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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.