Finding the Fourth Proportional to 981,739.24, 1,472,244.24 and 341,878.66
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Solution
The fourth proportional to 981,739.24, 1,472,244.24 and 341,878.66 is: 512,691.02
Step by Step Solution
- Step 1: Write the proportion equation
981,739.24 : 1,472,244.24 = 341,878.66 : x - Step 2: Convert to fraction form
981,739.24/1,472,244.24 = 341,878.66/x - Step 3: Cross multiply
981,739.24x = 1,472,244.24 × 341,878.66 - Step 4: Simplify right side
981,739.24x = 503,328,887,963.92 - Step 5: Solve for x
x = 503,328,887,963.92/981,739.24 - Step 6: Final answer
x = 512,691.02
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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.