Finding the Fourth Proportional to 559,638.32, 772,301.92 and 304,989.44
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Solution
The fourth proportional to 559,638.32, 772,301.92 and 304,989.44 is: 420,885.99
Step by Step Solution
- Step 1: Write the proportion equation
559,638.32 : 772,301.92 = 304,989.44 : x - Step 2: Convert to fraction form
559,638.32/772,301.92 = 304,989.44/x - Step 3: Cross multiply
559,638.32x = 772,301.92 × 304,989.44 - Step 4: Simplify right side
559,638.32x = 235,543,930,091.73 - Step 5: Solve for x
x = 235,543,930,091.73/559,638.32 - Step 6: Final answer
x = 420,885.99
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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.