Finding the Fourth Proportional to 748,905.12, 1,033,236.72 and 426,387.02
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Solution
The fourth proportional to 748,905.12, 1,033,236.72 and 426,387.02 is: 588,270.41
Step by Step Solution
- Step 1: Write the proportion equation
748,905.12 : 1,033,236.72 = 426,387.02 : x - Step 2: Convert to fraction form
748,905.12/1,033,236.72 = 426,387.02/x - Step 3: Cross multiply
748,905.12x = 1,033,236.72 × 426,387.02 - Step 4: Simplify right side
748,905.12x = 440,558,720,829.19 - Step 5: Solve for x
x = 440,558,720,829.19/748,905.12 - Step 6: Final answer
x = 588,270.41
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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.