Finding the Fourth Proportional to 559,613.56, 772,266.84 and 304,964.80
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Solution
The fourth proportional to 559,613.56, 772,266.84 and 304,964.80 is: 420,851.49
Step by Step Solution
- Step 1: Write the proportion equation
559,613.56 : 772,266.84 = 304,964.80 : x - Step 2: Convert to fraction form
559,613.56/772,266.84 = 304,964.80/x - Step 3: Cross multiply
559,613.56x = 772,266.84 × 304,964.80 - Step 4: Simplify right side
559,613.56x = 235,514,202,407.23 - Step 5: Solve for x
x = 235,514,202,407.23/559,613.56 - Step 6: Final answer
x = 420,851.49
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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.