Finding the Fourth Proportional to 935,578.49, 1,290,803.59 and 572,623.97
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Solution
The fourth proportional to 935,578.49, 1,290,803.59 and 572,623.97 is: 790,040.69
Step by Step Solution
- Step 1: Write the proportion equation
935,578.49 : 1,290,803.59 = 572,623.97 : x - Step 2: Convert to fraction form
935,578.49/1,290,803.59 = 572,623.97/x - Step 3: Cross multiply
935,578.49x = 1,290,803.59 × 572,623.97 - Step 4: Simplify right side
935,578.49x = 739,145,076,196.05 - Step 5: Solve for x
x = 739,145,076,196.05/935,578.49 - Step 6: Final answer
x = 790,040.69
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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.