Finding the Fourth Proportional to 848,953.18, 1,273,587.27 and 280,373.68
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Solution
The fourth proportional to 848,953.18, 1,273,587.27 and 280,373.68 is: 420,612.54
Step by Step Solution
- Step 1: Write the proportion equation
848,953.18 : 1,273,587.27 = 280,373.68 : x - Step 2: Convert to fraction form
848,953.18/1,273,587.27 = 280,373.68/x - Step 3: Cross multiply
848,953.18x = 1,273,587.27 × 280,373.68 - Step 4: Simplify right side
848,953.18x = 357,080,349,691.05 - Step 5: Solve for x
x = 357,080,349,691.05/848,953.18 - Step 6: Final answer
x = 420,612.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.