Finding the Fourth Proportional to 405,964.70, 569,283.70 and 405,964.70
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Solution
The fourth proportional to 405,964.70, 569,283.70 and 405,964.70 is: 569,283.70
Step by Step Solution
- Step 1: Write the proportion equation
405,964.70 : 569,283.70 = 405,964.70 : x - Step 2: Convert to fraction form
405,964.70/569,283.70 = 405,964.70/x - Step 3: Cross multiply
405,964.70x = 569,283.70 × 405,964.70 - Step 4: Simplify right side
405,964.70x = 231,109,086,485.39 - Step 5: Solve for x
x = 231,109,086,485.39/405,964.70 - Step 6: Final answer
x = 569,283.70
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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.