Finding the Fourth Proportional to 977,613.88, 1,466,515.09 and 303,514.19
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Solution
The fourth proportional to 977,613.88, 1,466,515.09 and 303,514.19 is: 455,300.55
Step by Step Solution
- Step 1: Write the proportion equation
977,613.88 : 1,466,515.09 = 303,514.19 : x - Step 2: Convert to fraction form
977,613.88/1,466,515.09 = 303,514.19/x - Step 3: Cross multiply
977,613.88x = 1,466,515.09 × 303,514.19 - Step 4: Simplify right side
977,613.88x = 445,108,139,664.13 - Step 5: Solve for x
x = 445,108,139,664.13/977,613.88 - Step 6: Final answer
x = 455,300.55
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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.