Finding the Fourth Proportional to 750,343.50, 1,125,175.05 and 323,678.03
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Solution
The fourth proportional to 750,343.50, 1,125,175.05 and 323,678.03 is: 485,370.28
Step by Step Solution
- Step 1: Write the proportion equation
750,343.50 : 1,125,175.05 = 323,678.03 : x - Step 2: Convert to fraction form
750,343.50/1,125,175.05 = 323,678.03/x - Step 3: Cross multiply
750,343.50x = 1,125,175.05 × 323,678.03 - Step 4: Simplify right side
750,343.50x = 364,194,437,963.28 - Step 5: Solve for x
x = 364,194,437,963.28/750,343.50 - Step 6: Final answer
x = 485,370.28
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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.