Finding the Fourth Proportional to 810,224.21, 1,117,758.12 and 487,747.46
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Solution
The fourth proportional to 810,224.21, 1,117,758.12 and 487,747.46 is: 672,880.02
Step by Step Solution
- Step 1: Write the proportion equation
810,224.21 : 1,117,758.12 = 487,747.46 : x - Step 2: Convert to fraction form
810,224.21/1,117,758.12 = 487,747.46/x - Step 3: Cross multiply
810,224.21x = 1,117,758.12 × 487,747.46 - Step 4: Simplify right side
810,224.21x = 545,183,678,335.59 - Step 5: Solve for x
x = 545,183,678,335.59/810,224.21 - Step 6: Final answer
x = 672,880.02
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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.