Finding the Fourth Proportional to 768,858.17, 1,060,844.72 and 446,374.08
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Solution
The fourth proportional to 768,858.17, 1,060,844.72 and 446,374.08 is: 615,891.99
Step by Step Solution
- Step 1: Write the proportion equation
768,858.17 : 1,060,844.72 = 446,374.08 : x - Step 2: Convert to fraction form
768,858.17/1,060,844.72 = 446,374.08/x - Step 3: Cross multiply
768,858.17x = 1,060,844.72 × 446,374.08 - Step 4: Simplify right side
768,858.17x = 473,533,583,680.99 - Step 5: Solve for x
x = 473,533,583,680.99/768,858.17 - Step 6: Final answer
x = 615,891.99
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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.