Finding the Fourth Proportional to 1,244,246.10, 1,866,369.15 and 445,553.70
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Solution
The fourth proportional to 1,244,246.10, 1,866,369.15 and 445,553.70 is: 668,330.55
Step by Step Solution
- Step 1: Write the proportion equation
1,244,246.10 : 1,866,369.15 = 445,553.70 : x - Step 2: Convert to fraction form
1,244,246.10/1,866,369.15 = 445,553.70/x - Step 3: Cross multiply
1,244,246.10x = 1,866,369.15 × 445,553.70 - Step 4: Simplify right side
1,244,246.10x = 831,567,680,348.36 - Step 5: Solve for x
x = 831,567,680,348.36/1,244,246.10 - Step 6: Final answer
x = 668,330.55
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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.