Finding the Fourth Proportional to 572,071.44, 789,456.06 and 317,422.02
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Solution
The fourth proportional to 572,071.44, 789,456.06 and 317,422.02 is: 438,040.99
Step by Step Solution
- Step 1: Write the proportion equation
572,071.44 : 789,456.06 = 317,422.02 : x - Step 2: Convert to fraction form
572,071.44/789,456.06 = 317,422.02/x - Step 3: Cross multiply
572,071.44x = 789,456.06 × 317,422.02 - Step 4: Simplify right side
572,071.44x = 250,590,737,266.44 - Step 5: Solve for x
x = 250,590,737,266.44/572,071.44 - Step 6: Final answer
x = 438,040.99
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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.