Finding the Fourth Proportional to 832,455.06, 1,148,664.84 and 488,161.08
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Solution
The fourth proportional to 832,455.06, 1,148,664.84 and 488,161.08 is: 673,590.08
Step by Step Solution
- Step 1: Write the proportion equation
832,455.06 : 1,148,664.84 = 488,161.08 : x - Step 2: Convert to fraction form
832,455.06/1,148,664.84 = 488,161.08/x - Step 3: Cross multiply
832,455.06x = 1,148,664.84 × 488,161.08 - Step 4: Simplify right side
832,455.06x = 560,733,468,852.43 - Step 5: Solve for x
x = 560,733,468,852.43/832,455.06 - Step 6: Final answer
x = 673,590.08
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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.