Finding the Fourth Proportional to 876,403.97, 1,314,681.22 and 307,736.19
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Solution
The fourth proportional to 876,403.97, 1,314,681.22 and 307,736.19 is: 461,630.71
Step by Step Solution
- Step 1: Write the proportion equation
876,403.97 : 1,314,681.22 = 307,736.19 : x - Step 2: Convert to fraction form
876,403.97/1,314,681.22 = 307,736.19/x - Step 3: Cross multiply
876,403.97x = 1,314,681.22 × 307,736.19 - Step 4: Simplify right side
876,403.97x = 404,574,985,961.74 - Step 5: Solve for x
x = 404,574,985,961.74/876,403.97 - Step 6: Final answer
x = 461,630.71
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.