Finding the Fourth Proportional to 581,940.70, 803,447.13 and 398,486.26
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Solution
The fourth proportional to 581,940.70, 803,447.13 and 398,486.26 is: 550,163.70
Step by Step Solution
- Step 1: Write the proportion equation
581,940.70 : 803,447.13 = 398,486.26 : x - Step 2: Convert to fraction form
581,940.70/803,447.13 = 398,486.26/x - Step 3: Cross multiply
581,940.70x = 803,447.13 × 398,486.26 - Step 4: Simplify right side
581,940.70x = 320,162,644,440.07 - Step 5: Solve for x
x = 320,162,644,440.07/581,940.70 - Step 6: Final answer
x = 550,163.70
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.