Finding the Fourth Proportional to 638,125.67, 880,619.24 and 351,656.03
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Solution
The fourth proportional to 638,125.67, 880,619.24 and 351,656.03 is: 485,288.53
Step by Step Solution
- Step 1: Write the proportion equation
638,125.67 : 880,619.24 = 351,656.03 : x - Step 2: Convert to fraction form
638,125.67/880,619.24 = 351,656.03/x - Step 3: Cross multiply
638,125.67x = 880,619.24 × 351,656.03 - Step 4: Simplify right side
638,125.67x = 309,675,065,880.02 - Step 5: Solve for x
x = 309,675,065,880.02/638,125.67 - Step 6: Final answer
x = 485,288.53
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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.