Finding the Fourth Proportional to 544,371.09, 816,722.61 and 278,318.42
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Solution
The fourth proportional to 544,371.09, 816,722.61 and 278,318.42 is: 417,562.49
Step by Step Solution
- Step 1: Write the proportion equation
544,371.09 : 816,722.61 = 278,318.42 : x - Step 2: Convert to fraction form
544,371.09/816,722.61 = 278,318.42/x - Step 3: Cross multiply
544,371.09x = 816,722.61 × 278,318.42 - Step 4: Simplify right side
544,371.09x = 227,308,946,393.48 - Step 5: Solve for x
x = 227,308,946,393.48/544,371.09 - Step 6: Final answer
x = 417,562.49
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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.