Finding the Fourth Proportional to 948,653.21, 1,308,931.65 and 581,207.99
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Solution
The fourth proportional to 948,653.21, 1,308,931.65 and 581,207.99 is: 801,938.50
Step by Step Solution
- Step 1: Write the proportion equation
948,653.21 : 1,308,931.65 = 581,207.99 : x - Step 2: Convert to fraction form
948,653.21/1,308,931.65 = 581,207.99/x - Step 3: Cross multiply
948,653.21x = 1,308,931.65 × 581,207.99 - Step 4: Simplify right side
948,653.21x = 760,761,526,799.23 - Step 5: Solve for x
x = 760,761,526,799.23/948,653.21 - Step 6: Final answer
x = 801,938.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.