Finding the Fourth Proportional to 628,197.27, 866,448.24 and 398,556.81
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Solution
The fourth proportional to 628,197.27, 866,448.24 and 398,556.81 is: 549,714.02
Step by Step Solution
- Step 1: Write the proportion equation
628,197.27 : 866,448.24 = 398,556.81 : x - Step 2: Convert to fraction form
628,197.27/866,448.24 = 398,556.81/x - Step 3: Cross multiply
628,197.27x = 866,448.24 × 398,556.81 - Step 4: Simplify right side
628,197.27x = 345,328,846,564.51 - Step 5: Solve for x
x = 345,328,846,564.51/628,197.27 - Step 6: Final answer
x = 549,714.02
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.