Finding the Fourth Proportional to 911,247.41, 1,257,516.42 and 503,377.31
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Solution
The fourth proportional to 911,247.41, 1,257,516.42 and 503,377.31 is: 694,657.92
Step by Step Solution
- Step 1: Write the proportion equation
911,247.41 : 1,257,516.42 = 503,377.31 : x - Step 2: Convert to fraction form
911,247.41/1,257,516.42 = 503,377.31/x - Step 3: Cross multiply
911,247.41x = 1,257,516.42 × 503,377.31 - Step 4: Simplify right side
911,247.41x = 633,005,232,780.43 - Step 5: Solve for x
x = 633,005,232,780.43/911,247.41 - Step 6: Final answer
x = 694,657.92
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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.