Finding the Fourth Proportional to 738,283.80, 1,107,101.70 and 338,791.80
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Solution
The fourth proportional to 738,283.80, 1,107,101.70 and 338,791.80 is: 508,039.02
Step by Step Solution
- Step 1: Write the proportion equation
738,283.80 : 1,107,101.70 = 338,791.80 : x - Step 2: Convert to fraction form
738,283.80/1,107,101.70 = 338,791.80/x - Step 3: Cross multiply
738,283.80x = 1,107,101.70 × 338,791.80 - Step 4: Simplify right side
738,283.80x = 375,076,977,726.06 - Step 5: Solve for x
x = 375,076,977,726.06/738,283.80 - Step 6: Final answer
x = 508,039.02
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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.