Finding the Fourth Proportional to 1,092,821.31, 1,639,235.04 and 382,683.28
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Solution
The fourth proportional to 1,092,821.31, 1,639,235.04 and 382,683.28 is: 574,025.99
Step by Step Solution
- Step 1: Write the proportion equation
1,092,821.31 : 1,639,235.04 = 382,683.28 : x - Step 2: Convert to fraction form
1,092,821.31/1,639,235.04 = 382,683.28/x - Step 3: Cross multiply
1,092,821.31x = 1,639,235.04 × 382,683.28 - Step 4: Simplify right side
1,092,821.31x = 627,307,837,700.04 - Step 5: Solve for x
x = 627,307,837,700.04/1,092,821.31 - Step 6: Final answer
x = 574,025.99
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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.