Finding the Fourth Proportional to 987,377.31, 1,480,759.61 and 356,208.99
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Solution
The fourth proportional to 987,377.31, 1,480,759.61 and 356,208.99 is: 534,202.96
Step by Step Solution
- Step 1: Write the proportion equation
987,377.31 : 1,480,759.61 = 356,208.99 : x - Step 2: Convert to fraction form
987,377.31/1,480,759.61 = 356,208.99/x - Step 3: Cross multiply
987,377.31x = 1,480,759.61 × 356,208.99 - Step 4: Simplify right side
987,377.31x = 527,459,883,329.85 - Step 5: Solve for x
x = 527,459,883,329.85/987,377.31 - Step 6: Final answer
x = 534,202.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.