Finding the Fourth Proportional to 691,759.04, 1,037,670.36 and 211,952.48
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Solution
The fourth proportional to 691,759.04, 1,037,670.36 and 211,952.48 is: 317,938.46
Step by Step Solution
- Step 1: Write the proportion equation
691,759.04 : 1,037,670.36 = 211,952.48 : x - Step 2: Convert to fraction form
691,759.04/1,037,670.36 = 211,952.48/x - Step 3: Cross multiply
691,759.04x = 1,037,670.36 × 211,952.48 - Step 4: Simplify right side
691,759.04x = 219,936,806,224.49 - Step 5: Solve for x
x = 219,936,806,224.49/691,759.04 - Step 6: Final answer
x = 317,938.46
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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.