Finding the Fourth Proportional to 862,588.94, 1,190,377.62 and 500,227.96
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Solution
The fourth proportional to 862,588.94, 1,190,377.62 and 500,227.96 is: 690,317.42
Step by Step Solution
- Step 1: Write the proportion equation
862,588.94 : 1,190,377.62 = 500,227.96 : x - Step 2: Convert to fraction form
862,588.94/1,190,377.62 = 500,227.96/x - Step 3: Cross multiply
862,588.94x = 1,190,377.62 × 500,227.96 - Step 4: Simplify right side
862,588.94x = 595,460,168,482.26 - Step 5: Solve for x
x = 595,460,168,482.26/862,588.94 - Step 6: Final answer
x = 690,317.42
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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.