Finding the Fourth Proportional to 981,364.12, 1,472,046.06 and 316,516.12
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Solution
The fourth proportional to 981,364.12, 1,472,046.06 and 316,516.12 is: 474,774.14
Step by Step Solution
- Step 1: Write the proportion equation
981,364.12 : 1,472,046.06 = 316,516.12 : x - Step 2: Convert to fraction form
981,364.12/1,472,046.06 = 316,516.12/x - Step 3: Cross multiply
981,364.12x = 1,472,046.06 × 316,516.12 - Step 4: Simplify right side
981,364.12x = 465,926,307,372.49 - Step 5: Solve for x
x = 465,926,307,372.49/981,364.12 - Step 6: Final answer
x = 474,774.14
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1.5x scale
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.