Finding the Fourth Proportional to 804,556.70, 1,207,612.65 and 489,628.70
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Solution
The fourth proportional to 804,556.70, 1,207,612.65 and 489,628.70 is: 734,916.27
Step by Step Solution
- Step 1: Write the proportion equation
804,556.70 : 1,207,612.65 = 489,628.70 : x - Step 2: Convert to fraction form
804,556.70/1,207,612.65 = 489,628.70/x - Step 3: Cross multiply
804,556.70x = 1,207,612.65 × 489,628.70 - Step 4: Simplify right side
804,556.70x = 591,281,811,923.06 - Step 5: Solve for x
x = 591,281,811,923.06/804,556.70 - Step 6: Final answer
x = 734,916.27
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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.