Finding the Fourth Proportional to 660,700.26, 911,830.17 and 370,360.98
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Solution
The fourth proportional to 660,700.26, 911,830.17 and 370,360.98 is: 511,133.92
Step by Step Solution
- Step 1: Write the proportion equation
660,700.26 : 911,830.17 = 370,360.98 : x - Step 2: Convert to fraction form
660,700.26/911,830.17 = 370,360.98/x - Step 3: Cross multiply
660,700.26x = 911,830.17 × 370,360.98 - Step 4: Simplify right side
660,700.26x = 337,706,315,354.77 - Step 5: Solve for x
x = 337,706,315,354.77/660,700.26 - Step 6: Final answer
x = 511,133.92
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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.