Finding the Fourth Proportional to 790,708.64, 1,186,135.88 and 258,232.44
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Solution
The fourth proportional to 790,708.64, 1,186,135.88 and 258,232.44 is: 387,372.47
Step by Step Solution
- Step 1: Write the proportion equation
790,708.64 : 1,186,135.88 = 258,232.44 : x - Step 2: Convert to fraction form
790,708.64/1,186,135.88 = 258,232.44/x - Step 3: Cross multiply
790,708.64x = 1,186,135.88 × 258,232.44 - Step 4: Simplify right side
790,708.64x = 306,298,762,463.95 - Step 5: Solve for x
x = 306,298,762,463.95/790,708.64 - Step 6: Final answer
x = 387,372.47
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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.