Finding the Fourth Proportional to 784,602.05, 1,082,864.96 and 440,580.26
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Solution
The fourth proportional to 784,602.05, 1,082,864.96 and 440,580.26 is: 608,064.84
Step by Step Solution
- Step 1: Write the proportion equation
784,602.05 : 1,082,864.96 = 440,580.26 : x - Step 2: Convert to fraction form
784,602.05/1,082,864.96 = 440,580.26/x - Step 3: Cross multiply
784,602.05x = 1,082,864.96 × 440,580.26 - Step 4: Simplify right side
784,602.05x = 477,088,918,004.46 - Step 5: Solve for x
x = 477,088,918,004.46/784,602.05 - Step 6: Final answer
x = 608,064.84
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1.5x scale
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.