Finding the Fourth Proportional to 680,854.24, 1,021,416.68 and 231,454.44
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Solution
The fourth proportional to 680,854.24, 1,021,416.68 and 231,454.44 is: 347,227.66
Step by Step Solution
- Step 1: Write the proportion equation
680,854.24 : 1,021,416.68 = 231,454.44 : x - Step 2: Convert to fraction form
680,854.24/1,021,416.68 = 231,454.44/x - Step 3: Cross multiply
680,854.24x = 1,021,416.68 × 231,454.44 - Step 4: Simplify right side
680,854.24x = 236,411,425,676.06 - Step 5: Solve for x
x = 236,411,425,676.06/680,854.24 - Step 6: Final answer
x = 347,227.66
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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.