Finding the Fourth Proportional to 872,095.43, 1,203,820.53 and 509,637.09
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Solution
The fourth proportional to 872,095.43, 1,203,820.53 and 509,637.09 is: 703,491.35
Step by Step Solution
- Step 1: Write the proportion equation
872,095.43 : 1,203,820.53 = 509,637.09 : x - Step 2: Convert to fraction form
872,095.43/1,203,820.53 = 509,637.09/x - Step 3: Cross multiply
872,095.43x = 1,203,820.53 × 509,637.09 - Step 4: Simplify right side
872,095.43x = 613,511,591,791.46 - Step 5: Solve for x
x = 613,511,591,791.46/872,095.43 - Step 6: Final answer
x = 703,491.35
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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.