Finding the Fourth Proportional to 832,929.60, 1,151,379.84 and 743,175.12
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Solution
The fourth proportional to 832,929.60, 1,151,379.84 and 743,175.12 is: 1,027,309.93
Step by Step Solution
- Step 1: Write the proportion equation
832,929.60 : 1,151,379.84 = 743,175.12 : x - Step 2: Convert to fraction form
832,929.60/1,151,379.84 = 743,175.12/x - Step 3: Cross multiply
832,929.60x = 1,151,379.84 × 743,175.12 - Step 4: Simplify right side
832,929.60x = 855,676,850,757.58 - Step 5: Solve for x
x = 855,676,850,757.58/832,929.60 - Step 6: Final answer
x = 1,027,309.93
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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.