Finding the Fourth Proportional to 761,116.10, 1,049,116.05 and 516,021.44
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Solution
The fourth proportional to 761,116.10, 1,049,116.05 and 516,021.44 is: 711,279.62
Step by Step Solution
- Step 1: Write the proportion equation
761,116.10 : 1,049,116.05 = 516,021.44 : x - Step 2: Convert to fraction form
761,116.10/1,049,116.05 = 516,021.44/x - Step 3: Cross multiply
761,116.10x = 1,049,116.05 × 516,021.44 - Step 4: Simplify right side
761,116.10x = 541,366,369,602.53 - Step 5: Solve for x
x = 541,366,369,602.53/761,116.10 - Step 6: Final answer
x = 711,279.62
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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.