Finding the Fourth Proportional to 832,817.99, 1,149,288.59 and 450,844.49
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Solution
The fourth proportional to 832,817.99, 1,149,288.59 and 450,844.49 is: 622,165.27
Step by Step Solution
- Step 1: Write the proportion equation
832,817.99 : 1,149,288.59 = 450,844.49 : x - Step 2: Convert to fraction form
832,817.99/1,149,288.59 = 450,844.49/x - Step 3: Cross multiply
832,817.99x = 1,149,288.59 × 450,844.49 - Step 4: Simplify right side
832,817.99x = 518,150,425,967.15 - Step 5: Solve for x
x = 518,150,425,967.15/832,817.99 - Step 6: Final answer
x = 622,165.27
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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.