Finding the Fourth Proportional to 912,599.79, 1,367,934.37 and 343,734.75
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Solution
The fourth proportional to 912,599.79, 1,367,934.37 and 343,734.75 is: 515,238.53
Step by Step Solution
- Step 1: Write the proportion equation
912,599.79 : 1,367,934.37 = 343,734.75 : x - Step 2: Convert to fraction form
912,599.79/1,367,934.37 = 343,734.75/x - Step 3: Cross multiply
912,599.79x = 1,367,934.37 × 343,734.75 - Step 4: Simplify right side
912,599.79x = 470,206,578,688.36 - Step 5: Solve for x
x = 470,206,578,688.36/912,599.79 - Step 6: Final answer
x = 515,238.53
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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.