Finding the Fourth Proportional to 891,437.13, 1,230,175.97 and 483,537.95
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Solution
The fourth proportional to 891,437.13, 1,230,175.97 and 483,537.95 is: 667,278.42
Step by Step Solution
- Step 1: Write the proportion equation
891,437.13 : 1,230,175.97 = 483,537.95 : x - Step 2: Convert to fraction form
891,437.13/1,230,175.97 = 483,537.95/x - Step 3: Cross multiply
891,437.13x = 1,230,175.97 × 483,537.95 - Step 4: Simplify right side
891,437.13x = 594,836,758,104.49 - Step 5: Solve for x
x = 594,836,758,104.49/891,437.13 - Step 6: Final answer
x = 667,278.42
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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.