Finding the Fourth Proportional to 576,689.58, 795,816.18 and 318,560.96
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Solution
The fourth proportional to 576,689.58, 795,816.18 and 318,560.96 is: 439,605.60
Step by Step Solution
- Step 1: Write the proportion equation
576,689.58 : 795,816.18 = 318,560.96 : x - Step 2: Convert to fraction form
576,689.58/795,816.18 = 318,560.96/x - Step 3: Cross multiply
576,689.58x = 795,816.18 × 318,560.96 - Step 4: Simplify right side
576,689.58x = 253,515,966,284.33 - Step 5: Solve for x
x = 253,515,966,284.33/576,689.58 - Step 6: Final answer
x = 439,605.60
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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.