Finding the Fourth Proportional to 862,588.08, 1,190,376.42 and 500,227.08
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Solution
The fourth proportional to 862,588.08, 1,190,376.42 and 500,227.08 is: 690,316.19
Step by Step Solution
- Step 1: Write the proportion equation
862,588.08 : 1,190,376.42 = 500,227.08 : x - Step 2: Convert to fraction form
862,588.08/1,190,376.42 = 500,227.08/x - Step 3: Cross multiply
862,588.08x = 1,190,376.42 × 500,227.08 - Step 4: Simplify right side
862,588.08x = 595,458,520,677.45 - Step 5: Solve for x
x = 595,458,520,677.45/862,588.08 - Step 6: Final answer
x = 690,316.19
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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.