Finding the Fourth Proportional to 1,146,829.75, 1,720,452.05 and 472,535.97
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Solution
The fourth proportional to 1,146,829.75, 1,720,452.05 and 472,535.97 is: 708,889.42
Step by Step Solution
- Step 1: Write the proportion equation
1,146,829.75 : 1,720,452.05 = 472,535.97 : x - Step 2: Convert to fraction form
1,146,829.75/1,720,452.05 = 472,535.97/x - Step 3: Cross multiply
1,146,829.75x = 1,720,452.05 × 472,535.97 - Step 4: Simplify right side
1,146,829.75x = 812,975,473,900.89 - Step 5: Solve for x
x = 812,975,473,900.89/1,146,829.75 - Step 6: Final answer
x = 708,889.42
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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.