Finding the Fourth Proportional to 839,899.38, 1,159,027.75 and 495,846.14
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Solution
The fourth proportional to 839,899.38, 1,159,027.75 and 495,846.14 is: 684,247.95
Step by Step Solution
- Step 1: Write the proportion equation
839,899.38 : 1,159,027.75 = 495,846.14 : x - Step 2: Convert to fraction form
839,899.38/1,159,027.75 = 495,846.14/x - Step 3: Cross multiply
839,899.38x = 1,159,027.75 × 495,846.14 - Step 4: Simplify right side
839,899.38x = 574,699,430,815.05 - Step 5: Solve for x
x = 574,699,430,815.05/839,899.38 - Step 6: Final answer
x = 684,247.95
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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.