Finding the Fourth Proportional to 505,748.97, 697,905.59 and 290,892.65
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Solution
The fourth proportional to 505,748.97, 697,905.59 and 290,892.65 is: 401,415.75
Step by Step Solution
- Step 1: Write the proportion equation
505,748.97 : 697,905.59 = 290,892.65 : x - Step 2: Convert to fraction form
505,748.97/697,905.59 = 290,892.65/x - Step 3: Cross multiply
505,748.97x = 697,905.59 × 290,892.65 - Step 4: Simplify right side
505,748.97x = 203,015,601,580.92 - Step 5: Solve for x
x = 203,015,601,580.92/505,748.97 - Step 6: Final answer
x = 401,415.75
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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.