Finding the Fourth Proportional to 628,569.36, 866,418.66 and 424,556.28
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Solution
The fourth proportional to 628,569.36, 866,418.66 and 424,556.28 is: 585,207.47
Step by Step Solution
- Step 1: Write the proportion equation
628,569.36 : 866,418.66 = 424,556.28 : x - Step 2: Convert to fraction form
628,569.36/866,418.66 = 424,556.28/x - Step 3: Cross multiply
628,569.36x = 866,418.66 × 424,556.28 - Step 4: Simplify right side
628,569.36x = 367,843,483,212.19 - Step 5: Solve for x
x = 367,843,483,212.19/628,569.36 - Step 6: Final answer
x = 585,207.47
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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.