Finding the Fourth Proportional to 967,645.98, 1,333,382.13 and 748,523.45
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Solution
The fourth proportional to 967,645.98, 1,333,382.13 and 748,523.45 is: 1,031,438.99
Step by Step Solution
- Step 1: Write the proportion equation
967,645.98 : 1,333,382.13 = 748,523.45 : x - Step 2: Convert to fraction form
967,645.98/1,333,382.13 = 748,523.45/x - Step 3: Cross multiply
967,645.98x = 1,333,382.13 × 748,523.45 - Step 4: Simplify right side
967,645.98x = 998,067,792,115.95 - Step 5: Solve for x
x = 998,067,792,115.95/967,645.98 - Step 6: Final answer
x = 1,031,438.99
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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.