Finding the Fourth Proportional to 813,383.08, 1,220,329.67 and 489,524.53
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Solution
The fourth proportional to 813,383.08, 1,220,329.67 and 489,524.53 is: 734,440.29
Step by Step Solution
- Step 1: Write the proportion equation
813,383.08 : 1,220,329.67 = 489,524.53 : x - Step 2: Convert to fraction form
813,383.08/1,220,329.67 = 489,524.53/x - Step 3: Cross multiply
813,383.08x = 1,220,329.67 × 489,524.53 - Step 4: Simplify right side
813,383.08x = 597,381,308,151.81 - Step 5: Solve for x
x = 597,381,308,151.81/813,383.08 - Step 6: Final answer
x = 734,440.29
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1.5x scale
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.