Finding the Fourth Proportional to 611,729.10, 917,593.65 and 611,729.10
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Solution
The fourth proportional to 611,729.10, 917,593.65 and 611,729.10 is: 917,593.65
Step by Step Solution
- Step 1: Write the proportion equation
611,729.10 : 917,593.65 = 611,729.10 : x - Step 2: Convert to fraction form
611,729.10/917,593.65 = 611,729.10/x - Step 3: Cross multiply
611,729.10x = 917,593.65 × 611,729.10 - Step 4: Simplify right side
611,729.10x = 561,318,737,680.22 - Step 5: Solve for x
x = 561,318,737,680.22/611,729.10 - Step 6: Final answer
x = 917,593.65
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.