Finding the Fourth Proportional to 608,545.80, 912,818.70 and 276,769.80
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Solution
The fourth proportional to 608,545.80, 912,818.70 and 276,769.80 is: 415,154.70
Step by Step Solution
- Step 1: Write the proportion equation
608,545.80 : 912,818.70 = 276,769.80 : x - Step 2: Convert to fraction form
608,545.80/912,818.70 = 276,769.80/x - Step 3: Cross multiply
608,545.80x = 912,818.70 × 276,769.80 - Step 4: Simplify right side
608,545.80x = 252,640,649,035.26 - Step 5: Solve for x
x = 252,640,649,035.26/608,545.80 - Step 6: Final answer
x = 415,154.70
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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.