Finding the Fourth Proportional to 1,092,808.68, 1,639,213.02 and 344,913
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Solution
The fourth proportional to 1,092,808.68, 1,639,213.02 and 344,913 is: 517,369.50
Step by Step Solution
- Step 1: Write the proportion equation
1,092,808.68 : 1,639,213.02 = 344,913 : x - Step 2: Convert to fraction form
1,092,808.68/1,639,213.02 = 344,913/x - Step 3: Cross multiply
1,092,808.68x = 1,639,213.02 × 344,913 - Step 4: Simplify right side
1,092,808.68x = 565,385,880,367.26 - Step 5: Solve for x
x = 565,385,880,367.26/1,092,808.68 - Step 6: Final answer
x = 517,369.50
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Double scale
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Similar ratio
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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.