Finding the Fourth Proportional to 648,526.98, 972,324.44 and 306,780.96
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Solution
The fourth proportional to 648,526.98, 972,324.44 and 306,780.96 is: 459,950.99
Step by Step Solution
- Step 1: Write the proportion equation
648,526.98 : 972,324.44 = 306,780.96 : x - Step 2: Convert to fraction form
648,526.98/972,324.44 = 306,780.96/x - Step 3: Cross multiply
648,526.98x = 972,324.44 × 306,780.96 - Step 4: Simplify right side
648,526.98x = 298,290,625,134.66 - Step 5: Solve for x
x = 298,290,625,134.66/648,526.98 - Step 6: Final answer
x = 459,950.99
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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.