Finding the Fourth Proportional to 798,882.56, 1,102,465.44 and 454,701.68
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Solution
The fourth proportional to 798,882.56, 1,102,465.44 and 454,701.68 is: 627,492.59
Step by Step Solution
- Step 1: Write the proportion equation
798,882.56 : 1,102,465.44 = 454,701.68 : x - Step 2: Convert to fraction form
798,882.56/1,102,465.44 = 454,701.68/x - Step 3: Cross multiply
798,882.56x = 1,102,465.44 × 454,701.68 - Step 4: Simplify right side
798,882.56x = 501,292,887,709.94 - Step 5: Solve for x
x = 501,292,887,709.94/798,882.56 - Step 6: Final answer
x = 627,492.59
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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.