Finding the Fourth Proportional to 865,886.21, 1,194,959.88 and 483,912.98
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Solution
The fourth proportional to 865,886.21, 1,194,959.88 and 483,912.98 is: 667,820.54
Step by Step Solution
- Step 1: Write the proportion equation
865,886.21 : 1,194,959.88 = 483,912.98 : x - Step 2: Convert to fraction form
865,886.21/1,194,959.88 = 483,912.98/x - Step 3: Cross multiply
865,886.21x = 1,194,959.88 × 483,912.98 - Step 4: Simplify right side
865,886.21x = 578,256,597,683.97 - Step 5: Solve for x
x = 578,256,597,683.97/865,886.21 - Step 6: Final answer
x = 667,820.54
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.