Finding the Fourth Proportional to 582,138.64, 803,230.14 and 340,374.28
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Solution
The fourth proportional to 582,138.64, 803,230.14 and 340,374.28 is: 469,645.65
Step by Step Solution
- Step 1: Write the proportion equation
582,138.64 : 803,230.14 = 340,374.28 : x - Step 2: Convert to fraction form
582,138.64/803,230.14 = 340,374.28/x - Step 3: Cross multiply
582,138.64x = 803,230.14 × 340,374.28 - Step 4: Simplify right side
582,138.64x = 273,398,880,576.80 - Step 5: Solve for x
x = 273,398,880,576.80/582,138.64 - Step 6: Final answer
x = 469,645.65
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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.