Finding the Fourth Proportional to 625,255.80, 862,376.99 and 538,189.08
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Solution
The fourth proportional to 625,255.80, 862,376.99 and 538,189.08 is: 742,291.20
Step by Step Solution
- Step 1: Write the proportion equation
625,255.80 : 862,376.99 = 538,189.08 : x - Step 2: Convert to fraction form
625,255.80/862,376.99 = 538,189.08/x - Step 3: Cross multiply
625,255.80x = 862,376.99 × 538,189.08 - Step 4: Simplify right side
625,255.80x = 464,121,876,170.32 - Step 5: Solve for x
x = 464,121,876,170.32/625,255.80 - Step 6: Final answer
x = 742,291.20
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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.