Finding the Fourth Proportional to 921,528.06, 1,382,914.58 and 322,494.41
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Solution
The fourth proportional to 921,528.06, 1,382,914.58 and 322,494.41 is: 483,959.45
Step by Step Solution
- Step 1: Write the proportion equation
921,528.06 : 1,382,914.58 = 322,494.41 : x - Step 2: Convert to fraction form
921,528.06/1,382,914.58 = 322,494.41/x - Step 3: Cross multiply
921,528.06x = 1,382,914.58 × 322,494.41 - Step 4: Simplify right side
921,528.06x = 445,982,213,030.45 - Step 5: Solve for x
x = 445,982,213,030.45/921,528.06 - Step 6: Final answer
x = 483,959.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.