Finding the Fourth Proportional to 738,274.60, 1,106,720.70 and 578,261.80
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Solution
The fourth proportional to 738,274.60, 1,106,720.70 and 578,261.80 is: 866,851.31
Step by Step Solution
- Step 1: Write the proportion equation
738,274.60 : 1,106,720.70 = 578,261.80 : x - Step 2: Convert to fraction form
738,274.60/1,106,720.70 = 578,261.80/x - Step 3: Cross multiply
738,274.60x = 1,106,720.70 × 578,261.80 - Step 4: Simplify right side
738,274.60x = 639,974,304,079.26 - Step 5: Solve for x
x = 639,974,304,079.26/738,274.60 - Step 6: Final answer
x = 866,851.31
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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.