Finding the Fourth Proportional to 890,536.76, 1,229,066.70 and 551,114.36
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Solution
The fourth proportional to 890,536.76, 1,229,066.70 and 551,114.36 is: 760,615.77
Step by Step Solution
- Step 1: Write the proportion equation
890,536.76 : 1,229,066.70 = 551,114.36 : x - Step 2: Convert to fraction form
890,536.76/1,229,066.70 = 551,114.36/x - Step 3: Cross multiply
890,536.76x = 1,229,066.70 × 551,114.36 - Step 4: Simplify right side
890,536.76x = 677,356,307,767.81 - Step 5: Solve for x
x = 677,356,307,767.81/890,536.76 - Step 6: Final answer
x = 760,615.77
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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.