Finding the Fourth Proportional to 628,841.93, 867,800.67 and 342,361.33
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Solution
The fourth proportional to 628,841.93, 867,800.67 and 342,361.33 is: 472,457.99
Step by Step Solution
- Step 1: Write the proportion equation
628,841.93 : 867,800.67 = 342,361.33 : x - Step 2: Convert to fraction form
628,841.93/867,800.67 = 342,361.33/x - Step 3: Cross multiply
628,841.93x = 867,800.67 × 342,361.33 - Step 4: Simplify right side
628,841.93x = 297,101,389,386.59 - Step 5: Solve for x
x = 297,101,389,386.59/628,841.93 - Step 6: Final answer
x = 472,457.99
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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.