Finding the Fourth Proportional to 577,638.80, 866,328.60 and 379,350.80
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Solution
The fourth proportional to 577,638.80, 866,328.60 and 379,350.80 is: 568,941.09
Step by Step Solution
- Step 1: Write the proportion equation
577,638.80 : 866,328.60 = 379,350.80 : x - Step 2: Convert to fraction form
577,638.80/866,328.60 = 379,350.80/x - Step 3: Cross multiply
577,638.80x = 866,328.60 × 379,350.80 - Step 4: Simplify right side
577,638.80x = 328,642,447,472.88 - Step 5: Solve for x
x = 328,642,447,472.88/577,638.80 - Step 6: Final answer
x = 568,941.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.