Finding the Fourth Proportional to 919,079.98, 1,267,812.67 and 551,462.04
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Solution
The fourth proportional to 919,079.98, 1,267,812.67 and 551,462.04 is: 760,706.99
Step by Step Solution
- Step 1: Write the proportion equation
919,079.98 : 1,267,812.67 = 551,462.04 : x - Step 2: Convert to fraction form
919,079.98/1,267,812.67 = 551,462.04/x - Step 3: Cross multiply
919,079.98x = 1,267,812.67 × 551,462.04 - Step 4: Simplify right side
919,079.98x = 699,150,561,336.05 - Step 5: Solve for x
x = 699,150,561,336.05/919,079.98 - Step 6: Final answer
x = 760,706.99
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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.