Finding the Fourth Proportional to 815,101.60, 1,222,259.12 and 341,659.84
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Solution
The fourth proportional to 815,101.60, 1,222,259.12 and 341,659.84 is: 512,324.91
Step by Step Solution
- Step 1: Write the proportion equation
815,101.60 : 1,222,259.12 = 341,659.84 : x - Step 2: Convert to fraction form
815,101.60/1,222,259.12 = 341,659.84/x - Step 3: Cross multiply
815,101.60x = 1,222,259.12 × 341,659.84 - Step 4: Simplify right side
815,101.60x = 417,596,855,377.74 - Step 5: Solve for x
x = 417,596,855,377.74/815,101.60 - Step 6: Final answer
x = 512,324.91
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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.