Finding the Fourth Proportional to 755,597.16, 1,042,683.84 and 433,291.68
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Solution
The fourth proportional to 755,597.16, 1,042,683.84 and 433,291.68 is: 597,919.44
Step by Step Solution
- Step 1: Write the proportion equation
755,597.16 : 1,042,683.84 = 433,291.68 : x - Step 2: Convert to fraction form
755,597.16/1,042,683.84 = 433,291.68/x - Step 3: Cross multiply
755,597.16x = 1,042,683.84 × 433,291.68 - Step 4: Simplify right side
755,597.16x = 451,786,232,742.45 - Step 5: Solve for x
x = 451,786,232,742.45/755,597.16 - Step 6: Final answer
x = 597,919.44
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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.