Finding the Fourth Proportional to 631,578.24, 939,244.50 and 611,644.14
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Solution
The fourth proportional to 631,578.24, 939,244.50 and 611,644.14 is: 909,599.73
Step by Step Solution
- Step 1: Write the proportion equation
631,578.24 : 939,244.50 = 611,644.14 : x - Step 2: Convert to fraction form
631,578.24/939,244.50 = 611,644.14/x - Step 3: Cross multiply
631,578.24x = 939,244.50 × 611,644.14 - Step 4: Simplify right side
631,578.24x = 574,483,394,452.23 - Step 5: Solve for x
x = 574,483,394,452.23/631,578.24 - Step 6: Final answer
x = 909,599.73
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.