Finding the Fourth Proportional to 564,649.68, 842,912.91 and 483,817.23
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Solution
The fourth proportional to 564,649.68, 842,912.91 and 483,817.23 is: 722,245.67
Step by Step Solution
- Step 1: Write the proportion equation
564,649.68 : 842,912.91 = 483,817.23 : x - Step 2: Convert to fraction form
564,649.68/842,912.91 = 483,817.23/x - Step 3: Cross multiply
564,649.68x = 842,912.91 × 483,817.23 - Step 4: Simplify right side
564,649.68x = 407,815,789,247.44 - Step 5: Solve for x
x = 407,815,789,247.44/564,649.68 - Step 6: Final answer
x = 722,245.67
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.