Finding the Fourth Proportional to 634,907.76, 876,183.24 and 348,454.50
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Solution
The fourth proportional to 634,907.76, 876,183.24 and 348,454.50 is: 480,872.99
Step by Step Solution
- Step 1: Write the proportion equation
634,907.76 : 876,183.24 = 348,454.50 : x - Step 2: Convert to fraction form
634,907.76/876,183.24 = 348,454.50/x - Step 3: Cross multiply
634,907.76x = 876,183.24 × 348,454.50 - Step 4: Simplify right side
634,907.76x = 305,309,992,802.58 - Step 5: Solve for x
x = 305,309,992,802.58/634,907.76 - Step 6: Final answer
x = 480,872.99
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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.