Finding the Fourth Proportional to 832,519.39, 1,148,876.74 and 450,546.17
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Solution
The fourth proportional to 832,519.39, 1,148,876.74 and 450,546.17 is: 621,753.70
Step by Step Solution
- Step 1: Write the proportion equation
832,519.39 : 1,148,876.74 = 450,546.17 : x - Step 2: Convert to fraction form
832,519.39/1,148,876.74 = 450,546.17/x - Step 3: Cross multiply
832,519.39x = 1,148,876.74 × 450,546.17 - Step 4: Simplify right side
832,519.39x = 517,622,010,984.14 - Step 5: Solve for x
x = 517,622,010,984.14/832,519.39 - Step 6: Final answer
x = 621,753.70
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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.