Finding the Fourth Proportional to 911,427.27, 1,366,295.73 and 312,246.05
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Solution
The fourth proportional to 911,427.27, 1,366,295.73 and 312,246.05 is: 468,079.52
Step by Step Solution
- Step 1: Write the proportion equation
911,427.27 : 1,366,295.73 = 312,246.05 : x - Step 2: Convert to fraction form
911,427.27/1,366,295.73 = 312,246.05/x - Step 3: Cross multiply
911,427.27x = 1,366,295.73 × 312,246.05 - Step 4: Simplify right side
911,427.27x = 426,620,437,992.89 - Step 5: Solve for x
x = 426,620,437,992.89/911,427.27 - Step 6: Final answer
x = 468,079.52
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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.