Finding the Fourth Proportional to 586,398.96, 809,232.12 and 318,126.96
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Solution
The fourth proportional to 586,398.96, 809,232.12 and 318,126.96 is: 439,016.05
Step by Step Solution
- Step 1: Write the proportion equation
586,398.96 : 809,232.12 = 318,126.96 : x - Step 2: Convert to fraction form
586,398.96/809,232.12 = 318,126.96/x - Step 3: Cross multiply
586,398.96x = 809,232.12 × 318,126.96 - Step 4: Simplify right side
586,398.96x = 257,438,554,269.96 - Step 5: Solve for x
x = 257,438,554,269.96/586,398.96 - Step 6: Final answer
x = 439,016.05
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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.