Finding the Fourth Proportional to 911,377.92, 1,367,104.74 and 312,750.72
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Solution
The fourth proportional to 911,377.92, 1,367,104.74 and 312,750.72 is: 469,139.07
Step by Step Solution
- Step 1: Write the proportion equation
911,377.92 : 1,367,104.74 = 312,750.72 : x - Step 2: Convert to fraction form
911,377.92/1,367,104.74 = 312,750.72/x - Step 3: Cross multiply
911,377.92x = 1,367,104.74 × 312,750.72 - Step 4: Simplify right side
911,377.92x = 427,562,991,750.41 - Step 5: Solve for x
x = 427,562,991,750.41/911,377.92 - Step 6: Final answer
x = 469,139.07
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.