Finding the Fourth Proportional to 610,597.76, 842,073.62 and 381,176.19
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Solution
The fourth proportional to 610,597.76, 842,073.62 and 381,176.19 is: 525,678.99
Step by Step Solution
- Step 1: Write the proportion equation
610,597.76 : 842,073.62 = 381,176.19 : x - Step 2: Convert to fraction form
610,597.76/842,073.62 = 381,176.19/x - Step 3: Cross multiply
610,597.76x = 842,073.62 × 381,176.19 - Step 4: Simplify right side
610,597.76x = 320,978,412,265.23 - Step 5: Solve for x
x = 320,978,412,265.23/610,597.76 - Step 6: Final answer
x = 525,678.99
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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.