Finding the Fourth Proportional to 832,812.72, 1,149,281.36 and 450,839.20
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Solution
The fourth proportional to 832,812.72, 1,149,281.36 and 450,839.20 is: 622,157.99
Step by Step Solution
- Step 1: Write the proportion equation
832,812.72 : 1,149,281.36 = 450,839.20 : x - Step 2: Convert to fraction form
832,812.72/1,149,281.36 = 450,839.20/x - Step 3: Cross multiply
832,812.72x = 1,149,281.36 × 450,839.20 - Step 4: Simplify right side
832,812.72x = 518,141,088,917.31 - Step 5: Solve for x
x = 518,141,088,917.31/832,812.72 - Step 6: Final answer
x = 622,157.99
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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.