Finding the Fourth Proportional to 936,220.80, 1,308,220.80 and 936,220.80
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Solution
The fourth proportional to 936,220.80, 1,308,220.80 and 936,220.80 is: 1,308,220.80
Step by Step Solution
- Step 1: Write the proportion equation
936,220.80 : 1,308,220.80 = 936,220.80 : x - Step 2: Convert to fraction form
936,220.80/1,308,220.80 = 936,220.80/x - Step 3: Cross multiply
936,220.80x = 1,308,220.80 × 936,220.80 - Step 4: Simplify right side
936,220.80x = 1,224,783,523,952.64 - Step 5: Solve for x
x = 1,224,783,523,952.64/936,220.80 - Step 6: Final answer
x = 1,308,220.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.