Finding the Fourth Proportional to 677,933.79, 1,016,501.99 and 257,239.23
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Solution
The fourth proportional to 677,933.79, 1,016,501.99 and 257,239.23 is: 385,707.56
Step by Step Solution
- Step 1: Write the proportion equation
677,933.79 : 1,016,501.99 = 257,239.23 : x - Step 2: Convert to fraction form
677,933.79/1,016,501.99 = 257,239.23/x - Step 3: Cross multiply
677,933.79x = 1,016,501.99 × 257,239.23 - Step 4: Simplify right side
677,933.79x = 261,484,187,914.87 - Step 5: Solve for x
x = 261,484,187,914.87/677,933.79 - Step 6: Final answer
x = 385,707.56
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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.