Finding the Fourth Proportional to 863,613.01, 1,296,542.06 and 664,073.53
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Solution
The fourth proportional to 863,613.01, 1,296,542.06 and 664,073.53 is: 996,973.47
Step by Step Solution
- Step 1: Write the proportion equation
863,613.01 : 1,296,542.06 = 664,073.53 : x - Step 2: Convert to fraction form
863,613.01/1,296,542.06 = 664,073.53/x - Step 3: Cross multiply
863,613.01x = 1,296,542.06 × 664,073.53 - Step 4: Simplify right side
863,613.01x = 860,999,256,094.96 - Step 5: Solve for x
x = 860,999,256,094.96/863,613.01 - Step 6: Final answer
x = 996,973.47
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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.