Finding the Fourth Proportional to 638,225.07, 880,735.43 and 347,845.81
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Solution
The fourth proportional to 638,225.07, 880,735.43 and 347,845.81 is: 480,018.95
Step by Step Solution
- Step 1: Write the proportion equation
638,225.07 : 880,735.43 = 347,845.81 : x - Step 2: Convert to fraction form
638,225.07/880,735.43 = 347,845.81/x - Step 3: Cross multiply
638,225.07x = 880,735.43 × 347,845.81 - Step 4: Simplify right side
638,225.07x = 306,360,129,044.05 - Step 5: Solve for x
x = 306,360,129,044.05/638,225.07 - Step 6: Final answer
x = 480,018.95
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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.