Finding the Fourth Proportional to 691,543.08, 1,037,347.02 and 336,133.44
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Solution
The fourth proportional to 691,543.08, 1,037,347.02 and 336,133.44 is: 504,215.91
Step by Step Solution
- Step 1: Write the proportion equation
691,543.08 : 1,037,347.02 = 336,133.44 : x - Step 2: Convert to fraction form
691,543.08/1,037,347.02 = 336,133.44/x - Step 3: Cross multiply
691,543.08x = 1,037,347.02 × 336,133.44 - Step 4: Simplify right side
691,543.08x = 348,687,022,306.35 - Step 5: Solve for x
x = 348,687,022,306.35/691,543.08 - Step 6: Final answer
x = 504,215.91
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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.