Finding the Fourth Proportional to 550,450.05, 769,696.95 and 550,450.05
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Solution
The fourth proportional to 550,450.05, 769,696.95 and 550,450.05 is: 769,696.95
Step by Step Solution
- Step 1: Write the proportion equation
550,450.05 : 769,696.95 = 550,450.05 : x - Step 2: Convert to fraction form
550,450.05/769,696.95 = 550,450.05/x - Step 3: Cross multiply
550,450.05x = 769,696.95 × 550,450.05 - Step 4: Simplify right side
550,450.05x = 423,679,724,612.35 - Step 5: Solve for x
x = 423,679,724,612.35/550,450.05 - Step 6: Final answer
x = 769,696.95
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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.