Finding the Fourth Proportional to 916,348.49, 1,374,744.95 and 276,614.01
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Solution
The fourth proportional to 916,348.49, 1,374,744.95 and 276,614.01 is: 414,988.09
Step by Step Solution
- Step 1: Write the proportion equation
916,348.49 : 1,374,744.95 = 276,614.01 : x - Step 2: Convert to fraction form
916,348.49/1,374,744.95 = 276,614.01/x - Step 3: Cross multiply
916,348.49x = 1,374,744.95 × 276,614.01 - Step 4: Simplify right side
916,348.49x = 380,273,713,346.75 - Step 5: Solve for x
x = 380,273,713,346.75/916,348.49 - Step 6: Final answer
x = 414,988.09
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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.