Finding the Fourth Proportional to 830,716.06, 1,146,389.19 and 448,742.84
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Solution
The fourth proportional to 830,716.06, 1,146,389.19 and 448,742.84 is: 619,265.68
Step by Step Solution
- Step 1: Write the proportion equation
830,716.06 : 1,146,389.19 = 448,742.84 : x - Step 2: Convert to fraction form
830,716.06/1,146,389.19 = 448,742.84/x - Step 3: Cross multiply
830,716.06x = 1,146,389.19 × 448,742.84 - Step 4: Simplify right side
830,716.06x = 514,433,940,865.90 - Step 5: Solve for x
x = 514,433,940,865.90/830,716.06 - Step 6: Final answer
x = 619,265.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.