Finding the Fourth Proportional to 804,967.55, 1,207,451.33 and 243,929.15
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Solution
The fourth proportional to 804,967.55, 1,207,451.33 and 243,929.15 is: 365,893.73
Step by Step Solution
- Step 1: Write the proportion equation
804,967.55 : 1,207,451.33 = 243,929.15 : x - Step 2: Convert to fraction form
804,967.55/1,207,451.33 = 243,929.15/x - Step 3: Cross multiply
804,967.55x = 1,207,451.33 × 243,929.15 - Step 4: Simplify right side
804,967.55x = 294,532,576,593.27 - Step 5: Solve for x
x = 294,532,576,593.27/804,967.55 - Step 6: Final answer
x = 365,893.73
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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.