Finding the Fourth Proportional to 891,645.84, 1,230,471.27 and 509,680.92
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Solution
The fourth proportional to 891,645.84, 1,230,471.27 and 509,680.92 is: 703,359.68
Step by Step Solution
- Step 1: Write the proportion equation
891,645.84 : 1,230,471.27 = 509,680.92 : x - Step 2: Convert to fraction form
891,645.84/1,230,471.27 = 509,680.92/x - Step 3: Cross multiply
891,645.84x = 1,230,471.27 × 509,680.92 - Step 4: Simplify right side
891,645.84x = 627,147,728,927.17 - Step 5: Solve for x
x = 627,147,728,927.17/891,645.84 - Step 6: Final answer
x = 703,359.68
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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.