Finding the Fourth Proportional to 576,505.97, 795,579.58 and 318,378.20
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Solution
The fourth proportional to 576,505.97, 795,579.58 and 318,378.20 is: 439,362.66
Step by Step Solution
- Step 1: Write the proportion equation
576,505.97 : 795,579.58 = 318,378.20 : x - Step 2: Convert to fraction form
576,505.97/795,579.58 = 318,378.20/x - Step 3: Cross multiply
576,505.97x = 795,579.58 × 318,378.20 - Step 4: Simplify right side
576,505.97x = 253,295,195,830.16 - Step 5: Solve for x
x = 253,295,195,830.16/576,505.97 - Step 6: Final answer
x = 439,362.66
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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.