Finding the Fourth Proportional to 891,624.11, 1,230,441.12 and 509,659.09
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Solution
The fourth proportional to 891,624.11, 1,230,441.12 and 509,659.09 is: 703,329.46
Step by Step Solution
- Step 1: Write the proportion equation
891,624.11 : 1,230,441.12 = 509,659.09 : x - Step 2: Convert to fraction form
891,624.11/1,230,441.12 = 509,659.09/x - Step 3: Cross multiply
891,624.11x = 1,230,441.12 × 509,659.09 - Step 4: Simplify right side
891,624.11x = 627,105,498,441.68 - Step 5: Solve for x
x = 627,105,498,441.68/891,624.11 - Step 6: Final answer
x = 703,329.46
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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.