Finding the Fourth Proportional to 988,753.59, 1,364,516.70 and 559,008.09
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Solution
The fourth proportional to 988,753.59, 1,364,516.70 and 559,008.09 is: 771,451.94
Step by Step Solution
- Step 1: Write the proportion equation
988,753.59 : 1,364,516.70 = 559,008.09 : x - Step 2: Convert to fraction form
988,753.59/1,364,516.70 = 559,008.09/x - Step 3: Cross multiply
988,753.59x = 1,364,516.70 × 559,008.09 - Step 4: Simplify right side
988,753.59x = 762,775,874,240.10 - Step 5: Solve for x
x = 762,775,874,240.10/988,753.59 - Step 6: Final answer
x = 771,451.94
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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.