Finding the Fourth Proportional to 471,948.53, 651,530.39 and 319,790.84
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Solution
The fourth proportional to 471,948.53, 651,530.39 and 319,790.84 is: 441,474.94
Step by Step Solution
- Step 1: Write the proportion equation
471,948.53 : 651,530.39 = 319,790.84 : x - Step 2: Convert to fraction form
471,948.53/651,530.39 = 319,790.84/x - Step 3: Cross multiply
471,948.53x = 651,530.39 × 319,790.84 - Step 4: Simplify right side
471,948.53x = 208,353,445,847.02 - Step 5: Solve for x
x = 208,353,445,847.02/471,948.53 - Step 6: Final answer
x = 441,474.94
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.