Finding the Fourth Proportional to 627,331.84, 865,620.48 and 372,676.48
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Solution
The fourth proportional to 627,331.84, 865,620.48 and 372,676.48 is: 514,235.65
Step by Step Solution
- Step 1: Write the proportion equation
627,331.84 : 865,620.48 = 372,676.48 : x - Step 2: Convert to fraction form
627,331.84/865,620.48 = 372,676.48/x - Step 3: Cross multiply
627,331.84x = 865,620.48 × 372,676.48 - Step 4: Simplify right side
627,331.84x = 322,596,393,502.31 - Step 5: Solve for x
x = 322,596,393,502.31/627,331.84 - Step 6: Final answer
x = 514,235.65
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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.