Finding the Fourth Proportional to 651,282.96, 898,765.20 and 364,805.76
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Solution
The fourth proportional to 651,282.96, 898,765.20 and 364,805.76 is: 503,428.99
Step by Step Solution
- Step 1: Write the proportion equation
651,282.96 : 898,765.20 = 364,805.76 : x - Step 2: Convert to fraction form
651,282.96/898,765.20 = 364,805.76/x - Step 3: Cross multiply
651,282.96x = 898,765.20 × 364,805.76 - Step 4: Simplify right side
651,282.96x = 327,874,721,847.55 - Step 5: Solve for x
x = 327,874,721,847.55/651,282.96 - Step 6: Final answer
x = 503,428.99
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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.