Finding the Fourth Proportional to 855,297.43, 1,283,231.16 and 286,734.74
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Solution
The fourth proportional to 855,297.43, 1,283,231.16 and 286,734.74 is: 430,197.65
Step by Step Solution
- Step 1: Write the proportion equation
855,297.43 : 1,283,231.16 = 286,734.74 : x - Step 2: Convert to fraction form
855,297.43/1,283,231.16 = 286,734.74/x - Step 3: Cross multiply
855,297.43x = 1,283,231.16 × 286,734.74 - Step 4: Simplify right side
855,297.43x = 367,946,946,606.34 - Step 5: Solve for x
x = 367,946,946,606.34/855,297.43 - Step 6: Final answer
x = 430,197.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.