Finding the Fourth Proportional to 981,931.08, 1,354,945.84 and 546,245.44
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Solution
The fourth proportional to 981,931.08, 1,354,945.84 and 546,245.44 is: 753,752.47
Step by Step Solution
- Step 1: Write the proportion equation
981,931.08 : 1,354,945.84 = 546,245.44 : x - Step 2: Convert to fraction form
981,931.08/1,354,945.84 = 546,245.44/x - Step 3: Cross multiply
981,931.08x = 1,354,945.84 × 546,245.44 - Step 4: Simplify right side
981,931.08x = 740,132,982,476.80 - Step 5: Solve for x
x = 740,132,982,476.80/981,931.08 - Step 6: Final answer
x = 753,752.47
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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.