Finding the Fourth Proportional to 1,030,644.42, 1,422,290.97 and 571,758.99
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Solution
The fourth proportional to 1,030,644.42, 1,422,290.97 and 571,758.99 is: 789,028.33
Step by Step Solution
- Step 1: Write the proportion equation
1,030,644.42 : 1,422,290.97 = 571,758.99 : x - Step 2: Convert to fraction form
1,030,644.42/1,422,290.97 = 571,758.99/x - Step 3: Cross multiply
1,030,644.42x = 1,422,290.97 × 571,758.99 - Step 4: Simplify right side
1,030,644.42x = 813,207,648,493.32 - Step 5: Solve for x
x = 813,207,648,493.32/1,030,644.42 - Step 6: Final answer
x = 789,028.33
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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.