Finding the Fourth Proportional to 590,883.65, 815,408.36 and 361,424.08
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Solution
The fourth proportional to 590,883.65, 815,408.36 and 361,424.08 is: 498,758.45
Step by Step Solution
- Step 1: Write the proportion equation
590,883.65 : 815,408.36 = 361,424.08 : x - Step 2: Convert to fraction form
590,883.65/815,408.36 = 361,424.08/x - Step 3: Cross multiply
590,883.65x = 815,408.36 × 361,424.08 - Step 4: Simplify right side
590,883.65x = 294,708,213,920.95 - Step 5: Solve for x
x = 294,708,213,920.95/590,883.65 - Step 6: Final answer
x = 498,758.45
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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.