Finding the Fourth Proportional to 832,840.20, 1,149,318.18 and 450,866.88
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Solution
The fourth proportional to 832,840.20, 1,149,318.18 and 450,866.88 is: 622,195.59
Step by Step Solution
- Step 1: Write the proportion equation
832,840.20 : 1,149,318.18 = 450,866.88 : x - Step 2: Convert to fraction form
832,840.20/1,149,318.18 = 450,866.88/x - Step 3: Cross multiply
832,840.20x = 1,149,318.18 × 450,866.88 - Step 4: Simplify right side
832,840.20x = 518,189,501,943.88 - Step 5: Solve for x
x = 518,189,501,943.88/832,840.20 - Step 6: Final answer
x = 622,195.59
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1.5x scale
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.