Finding the Fourth Proportional to 911,475.05, 1,367,378.62 and 312,496.72
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Solution
The fourth proportional to 911,475.05, 1,367,378.62 and 312,496.72 is: 468,802.01
Step by Step Solution
- Step 1: Write the proportion equation
911,475.05 : 1,367,378.62 = 312,496.72 : x - Step 2: Convert to fraction form
911,475.05/1,367,378.62 = 312,496.72/x - Step 3: Cross multiply
911,475.05x = 1,367,378.62 × 312,496.72 - Step 4: Simplify right side
911,475.05x = 427,301,329,548.44 - Step 5: Solve for x
x = 427,301,329,548.44/911,475.05 - Step 6: Final answer
x = 468,802.01
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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.