Finding the Fourth Proportional to 390,611.35, 585,912.77 and 296,419.99
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Solution
The fourth proportional to 390,611.35, 585,912.77 and 296,419.99 is: 444,626.76
Step by Step Solution
- Step 1: Write the proportion equation
390,611.35 : 585,912.77 = 296,419.99 : x - Step 2: Convert to fraction form
390,611.35/585,912.77 = 296,419.99/x - Step 3: Cross multiply
390,611.35x = 585,912.77 × 296,419.99 - Step 4: Simplify right side
390,611.35x = 173,676,257,424.27 - Step 5: Solve for x
x = 173,676,257,424.27/390,611.35 - Step 6: Final answer
x = 444,626.76
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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.