Finding the Fourth Proportional to 628,317.73, 867,074.52 and 341,839.09
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Solution
The fourth proportional to 628,317.73, 867,074.52 and 341,839.09 is: 471,735.80
Step by Step Solution
- Step 1: Write the proportion equation
628,317.73 : 867,074.52 = 341,839.09 : x - Step 2: Convert to fraction form
628,317.73/867,074.52 = 341,839.09/x - Step 3: Cross multiply
628,317.73x = 867,074.52 × 341,839.09 - Step 4: Simplify right side
628,317.73x = 296,399,964,878.99 - Step 5: Solve for x
x = 296,399,964,878.99/628,317.73 - Step 6: Final answer
x = 471,735.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.