Finding the Fourth Proportional to 911,057.42, 1,257,268.74 and 503,169.62
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Solution
The fourth proportional to 911,057.42, 1,257,268.74 and 503,169.62 is: 694,379.32
Step by Step Solution
- Step 1: Write the proportion equation
911,057.42 : 1,257,268.74 = 503,169.62 : x - Step 2: Convert to fraction form
911,057.42/1,257,268.74 = 503,169.62/x - Step 3: Cross multiply
911,057.42x = 1,257,268.74 × 503,169.62 - Step 4: Simplify right side
911,057.42x = 632,619,433,042.59 - Step 5: Solve for x
x = 632,619,433,042.59/911,057.42 - Step 6: Final answer
x = 694,379.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.