Finding the Fourth Proportional to 714,888.91, 986,544.12 and 392,619.88
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Solution
The fourth proportional to 714,888.91, 986,544.12 and 392,619.88 is: 541,814.02
Step by Step Solution
- Step 1: Write the proportion equation
714,888.91 : 986,544.12 = 392,619.88 : x - Step 2: Convert to fraction form
714,888.91/986,544.12 = 392,619.88/x - Step 3: Cross multiply
714,888.91x = 986,544.12 × 392,619.88 - Step 4: Simplify right side
714,888.91x = 387,336,834,009.11 - Step 5: Solve for x
x = 387,336,834,009.11/714,888.91 - Step 6: Final answer
x = 541,814.02
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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.