Finding the Fourth Proportional to 929,177.22, 1,282,715.10 and 623,142.12
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Solution
The fourth proportional to 929,177.22, 1,282,715.10 and 623,142.12 is: 860,238.27
Step by Step Solution
- Step 1: Write the proportion equation
929,177.22 : 1,282,715.10 = 623,142.12 : x - Step 2: Convert to fraction form
929,177.22/1,282,715.10 = 623,142.12/x - Step 3: Cross multiply
929,177.22x = 1,282,715.10 × 623,142.12 - Step 4: Simplify right side
929,177.22x = 799,313,806,770.01 - Step 5: Solve for x
x = 799,313,806,770.01/929,177.22 - Step 6: Final answer
x = 860,238.27
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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.