Finding the Fourth Proportional to 832,817.74, 1,149,288.24 and 450,844.24
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Solution
The fourth proportional to 832,817.74, 1,149,288.24 and 450,844.24 is: 622,164.92
Step by Step Solution
- Step 1: Write the proportion equation
832,817.74 : 1,149,288.24 = 450,844.24 : x - Step 2: Convert to fraction form
832,817.74/1,149,288.24 = 450,844.24/x - Step 3: Cross multiply
832,817.74x = 1,149,288.24 × 450,844.24 - Step 4: Simplify right side
832,817.74x = 518,149,983,103.74 - Step 5: Solve for x
x = 518,149,983,103.74/832,817.74 - Step 6: Final answer
x = 622,164.92
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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.