Finding the Fourth Proportional to 669,302.21, 1,003,740.48 and 219,919.07
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Solution
The fourth proportional to 669,302.21, 1,003,740.48 and 219,919.07 is: 329,808.67
Step by Step Solution
- Step 1: Write the proportion equation
669,302.21 : 1,003,740.48 = 219,919.07 : x - Step 2: Convert to fraction form
669,302.21/1,003,740.48 = 219,919.07/x - Step 3: Cross multiply
669,302.21x = 1,003,740.48 × 219,919.07 - Step 4: Simplify right side
669,302.21x = 220,741,667,864.25 - Step 5: Solve for x
x = 220,741,667,864.25/669,302.21 - Step 6: Final answer
x = 329,808.67
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.