Finding the Fourth Proportional to 805,959.09, 1,112,232.71 and 461,788.11
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Solution
The fourth proportional to 805,959.09, 1,112,232.71 and 461,788.11 is: 637,272.85
Step by Step Solution
- Step 1: Write the proportion equation
805,959.09 : 1,112,232.71 = 461,788.11 : x - Step 2: Convert to fraction form
805,959.09/1,112,232.71 = 461,788.11/x - Step 3: Cross multiply
805,959.09x = 1,112,232.71 × 461,788.11 - Step 4: Simplify right side
805,959.09x = 513,615,839,876.61 - Step 5: Solve for x
x = 513,615,839,876.61/805,959.09 - Step 6: Final answer
x = 637,272.85
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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.