Finding the Fourth Proportional to 572,717.27, 790,351.68 and 318,068.46
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Solution
The fourth proportional to 572,717.27, 790,351.68 and 318,068.46 is: 438,935.50
Step by Step Solution
- Step 1: Write the proportion equation
572,717.27 : 790,351.68 = 318,068.46 : x - Step 2: Convert to fraction form
572,717.27/790,351.68 = 318,068.46/x - Step 3: Cross multiply
572,717.27x = 790,351.68 × 318,068.46 - Step 4: Simplify right side
572,717.27x = 251,385,941,716.01 - Step 5: Solve for x
x = 251,385,941,716.01/572,717.27 - Step 6: Final answer
x = 438,935.50
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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.