Finding the Fourth Proportional to 757,170.24, 1,044,749.52 and 455,383.68
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Solution
The fourth proportional to 757,170.24, 1,044,749.52 and 455,383.68 is: 628,342.02
Step by Step Solution
- Step 1: Write the proportion equation
757,170.24 : 1,044,749.52 = 455,383.68 : x - Step 2: Convert to fraction form
757,170.24/1,044,749.52 = 455,383.68/x - Step 3: Cross multiply
757,170.24x = 1,044,749.52 × 455,383.68 - Step 4: Simplify right side
757,170.24x = 475,761,881,095.83 - Step 5: Solve for x
x = 475,761,881,095.83/757,170.24 - Step 6: Final answer
x = 628,342.02
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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.