Finding the Fourth Proportional to 626,717.61, 864,873.84 and 368,605.44
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Solution
The fourth proportional to 626,717.61, 864,873.84 and 368,605.44 is: 508,677.59
Step by Step Solution
- Step 1: Write the proportion equation
626,717.61 : 864,873.84 = 368,605.44 : x - Step 2: Convert to fraction form
626,717.61/864,873.84 = 368,605.44/x - Step 3: Cross multiply
626,717.61x = 864,873.84 × 368,605.44 - Step 4: Simplify right side
626,717.61x = 318,797,202,337.69 - Step 5: Solve for x
x = 318,797,202,337.69/626,717.61 - Step 6: Final answer
x = 508,677.59
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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.