Finding the Fourth Proportional to 651,261.88, 898,741.36 and 396,613.08
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Solution
The fourth proportional to 651,261.88, 898,741.36 and 396,613.08 is: 547,326.03
Step by Step Solution
- Step 1: Write the proportion equation
651,261.88 : 898,741.36 = 396,613.08 : x - Step 2: Convert to fraction form
651,261.88/898,741.36 = 396,613.08/x - Step 3: Cross multiply
651,261.88x = 898,741.36 × 396,613.08 - Step 4: Simplify right side
651,261.88x = 356,452,578,912.99 - Step 5: Solve for x
x = 356,452,578,912.99/651,261.88 - Step 6: Final answer
x = 547,326.03
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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.