Finding the Fourth Proportional to 625,073.55, 862,605.63 and 338,593.63
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Solution
The fourth proportional to 625,073.55, 862,605.63 and 338,593.63 is: 467,261.45
Step by Step Solution
- Step 1: Write the proportion equation
625,073.55 : 862,605.63 = 338,593.63 : x - Step 2: Convert to fraction form
625,073.55/862,605.63 = 338,593.63/x - Step 3: Cross multiply
625,073.55x = 862,605.63 × 338,593.63 - Step 4: Simplify right side
625,073.55x = 292,072,771,520.14 - Step 5: Solve for x
x = 292,072,771,520.14/625,073.55 - Step 6: Final answer
x = 467,261.45
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1.5x scale
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.