Finding the Fourth Proportional to 601,689.79, 829,853.62 and 511,344.82
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Solution
The fourth proportional to 601,689.79, 829,853.62 and 511,344.82 is: 705,249.38
Step by Step Solution
- Step 1: Write the proportion equation
601,689.79 : 829,853.62 = 511,344.82 : x - Step 2: Convert to fraction form
601,689.79/829,853.62 = 511,344.82/x - Step 3: Cross multiply
601,689.79x = 829,853.62 × 511,344.82 - Step 4: Simplify right side
601,689.79x = 424,341,352,757.25 - Step 5: Solve for x
x = 424,341,352,757.25/601,689.79 - Step 6: Final answer
x = 705,249.38
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1.5x scale
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.