Finding the Fourth Proportional to 912,851.68, 1,259,638.41 and 504,888.70
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Solution
The fourth proportional to 912,851.68, 1,259,638.41 and 504,888.70 is: 696,692.81
Step by Step Solution
- Step 1: Write the proportion equation
912,851.68 : 1,259,638.41 = 504,888.70 : x - Step 2: Convert to fraction form
912,851.68/1,259,638.41 = 504,888.70/x - Step 3: Cross multiply
912,851.68x = 1,259,638.41 × 504,888.70 - Step 4: Simplify right side
912,851.68x = 635,977,199,294.97 - Step 5: Solve for x
x = 635,977,199,294.97/912,851.68 - Step 6: Final answer
x = 696,692.81
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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.