Finding the Fourth Proportional to 919,946.68, 1,269,516.72 and 512,042.02
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Solution
The fourth proportional to 919,946.68, 1,269,516.72 and 512,042.02 is: 706,612.59
Step by Step Solution
- Step 1: Write the proportion equation
919,946.68 : 1,269,516.72 = 512,042.02 : x - Step 2: Convert to fraction form
919,946.68/1,269,516.72 = 512,042.02/x - Step 3: Cross multiply
919,946.68x = 1,269,516.72 × 512,042.02 - Step 4: Simplify right side
919,946.68x = 650,045,905,732.58 - Step 5: Solve for x
x = 650,045,905,732.58/919,946.68 - Step 6: Final answer
x = 706,612.59
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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.