Finding the Fourth Proportional to 842,030.51, 1,161,988.52 and 460,049.09
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Solution
The fourth proportional to 842,030.51, 1,161,988.52 and 460,049.09 is: 634,860.32
Step by Step Solution
- Step 1: Write the proportion equation
842,030.51 : 1,161,988.52 = 460,049.09 : x - Step 2: Convert to fraction form
842,030.51/1,161,988.52 = 460,049.09/x - Step 3: Cross multiply
842,030.51x = 1,161,988.52 × 460,049.09 - Step 4: Simplify right side
842,030.51x = 534,571,753,106.26 - Step 5: Solve for x
x = 534,571,753,106.26/842,030.51 - Step 6: Final answer
x = 634,860.32
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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.