Finding the Fourth Proportional to 624,121.20, 936,181.80 and 624,121.20
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Solution
The fourth proportional to 624,121.20, 936,181.80 and 624,121.20 is: 936,181.80
Step by Step Solution
- Step 1: Write the proportion equation
624,121.20 : 936,181.80 = 624,121.20 : x - Step 2: Convert to fraction form
624,121.20/936,181.80 = 624,121.20/x - Step 3: Cross multiply
624,121.20x = 936,181.80 × 624,121.20 - Step 4: Simplify right side
624,121.20x = 584,290,908,434.16 - Step 5: Solve for x
x = 584,290,908,434.16/624,121.20 - Step 6: Final answer
x = 936,181.80
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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.