Finding the Fourth Proportional to 832,304.88, 1,148,586.09 and 488,070.74
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Solution
The fourth proportional to 832,304.88, 1,148,586.09 and 488,070.74 is: 673,540.76
Step by Step Solution
- Step 1: Write the proportion equation
832,304.88 : 1,148,586.09 = 488,070.74 : x - Step 2: Convert to fraction form
832,304.88/1,148,586.09 = 488,070.74/x - Step 3: Cross multiply
832,304.88x = 1,148,586.09 × 488,070.74 - Step 4: Simplify right side
832,304.88x = 560,591,261,397.13 - Step 5: Solve for x
x = 560,591,261,397.13/832,304.88 - Step 6: Final answer
x = 673,540.76
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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.