Finding the Fourth Proportional to 499,313.40, 689,047.33 and 284,458.08
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Solution
The fourth proportional to 499,313.40, 689,047.33 and 284,458.08 is: 392,549.20
Step by Step Solution
- Step 1: Write the proportion equation
499,313.40 : 689,047.33 = 284,458.08 : x - Step 2: Convert to fraction form
499,313.40/689,047.33 = 284,458.08/x - Step 3: Cross multiply
499,313.40x = 689,047.33 × 284,458.08 - Step 4: Simplify right side
499,313.40x = 196,005,078,051.13 - Step 5: Solve for x
x = 196,005,078,051.13/499,313.40 - Step 6: Final answer
x = 392,549.20
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.