Finding the Fourth Proportional to 832,791.38, 1,149,252.71 and 450,818.46
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Solution
The fourth proportional to 832,791.38, 1,149,252.71 and 450,818.46 is: 622,129.80
Step by Step Solution
- Step 1: Write the proportion equation
832,791.38 : 1,149,252.71 = 450,818.46 : x - Step 2: Convert to fraction form
832,791.38/1,149,252.71 = 450,818.46/x - Step 3: Cross multiply
832,791.38x = 1,149,252.71 × 450,818.46 - Step 4: Simplify right side
832,791.38x = 518,104,334,618.93 - Step 5: Solve for x
x = 518,104,334,618.93/832,791.38 - Step 6: Final answer
x = 622,129.80
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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.