Finding the Fourth Proportional to 911,115.24, 1,366,214.16 and 303,688.44
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Solution
The fourth proportional to 911,115.24, 1,366,214.16 and 303,688.44 is: 455,379.77
Step by Step Solution
- Step 1: Write the proportion equation
911,115.24 : 1,366,214.16 = 303,688.44 : x - Step 2: Convert to fraction form
911,115.24/1,366,214.16 = 303,688.44/x - Step 3: Cross multiply
911,115.24x = 1,366,214.16 × 303,688.44 - Step 4: Simplify right side
911,115.24x = 414,903,446,956.31 - Step 5: Solve for x
x = 414,903,446,956.31/911,115.24 - Step 6: Final answer
x = 455,379.77
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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.