Finding the Fourth Proportional to 751,408.74, 1,126,588.14 and 278,032.68
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Solution
The fourth proportional to 751,408.74, 1,126,588.14 and 278,032.68 is: 416,854.77
Step by Step Solution
- Step 1: Write the proportion equation
751,408.74 : 1,126,588.14 = 278,032.68 : x - Step 2: Convert to fraction form
751,408.74/1,126,588.14 = 278,032.68/x - Step 3: Cross multiply
751,408.74x = 1,126,588.14 × 278,032.68 - Step 4: Simplify right side
751,408.74x = 313,228,319,820.42 - Step 5: Solve for x
x = 313,228,319,820.42/751,408.74 - Step 6: Final answer
x = 416,854.77
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.