Finding the Fourth Proportional to 628,804.53, 867,723.03 and 342,325.62
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Solution
The fourth proportional to 628,804.53, 867,723.03 and 342,325.62 is: 472,394.54
Step by Step Solution
- Step 1: Write the proportion equation
628,804.53 : 867,723.03 = 342,325.62 : x - Step 2: Convert to fraction form
628,804.53/867,723.03 = 342,325.62/x - Step 3: Cross multiply
628,804.53x = 867,723.03 × 342,325.62 - Step 4: Simplify right side
628,804.53x = 297,043,824,233.03 - Step 5: Solve for x
x = 297,043,824,233.03/628,804.53 - Step 6: Final answer
x = 472,394.54
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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.