Finding the Fourth Proportional to 614,817.99, 916,115.01 and 547,742.70
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Solution
The fourth proportional to 614,817.99, 916,115.01 and 547,742.70 is: 816,168.88
Step by Step Solution
- Step 1: Write the proportion equation
614,817.99 : 916,115.01 = 547,742.70 : x - Step 2: Convert to fraction form
614,817.99/916,115.01 = 547,742.70/x - Step 3: Cross multiply
614,817.99x = 916,115.01 × 547,742.70 - Step 4: Simplify right side
614,817.99x = 501,795,309,087.93 - Step 5: Solve for x
x = 501,795,309,087.93/614,817.99 - Step 6: Final answer
x = 816,168.88
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1.5x scale
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.