Finding the Fourth Proportional to 938,278.26, 1,409,367.06 and 758,566.80
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Solution
The fourth proportional to 938,278.26, 1,409,367.06 and 758,566.80 is: 1,139,426.44
Step by Step Solution
- Step 1: Write the proportion equation
938,278.26 : 1,409,367.06 = 758,566.80 : x - Step 2: Convert to fraction form
938,278.26/1,409,367.06 = 758,566.80/x - Step 3: Cross multiply
938,278.26x = 1,409,367.06 × 758,566.80 - Step 4: Simplify right side
938,278.26x = 1,069,099,060,729.61 - Step 5: Solve for x
x = 1,069,099,060,729.61/938,278.26 - Step 6: Final answer
x = 1,139,426.44
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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.