Finding the Fourth Proportional to 867,533.76, 1,197,184.86 and 485,560.44
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Solution
The fourth proportional to 867,533.76, 1,197,184.86 and 485,560.44 is: 670,066.84
Step by Step Solution
- Step 1: Write the proportion equation
867,533.76 : 1,197,184.86 = 485,560.44 : x - Step 2: Convert to fraction form
867,533.76/1,197,184.86 = 485,560.44/x - Step 3: Cross multiply
867,533.76x = 1,197,184.86 × 485,560.44 - Step 4: Simplify right side
867,533.76x = 581,305,607,382.94 - Step 5: Solve for x
x = 581,305,607,382.94/867,533.76 - Step 6: Final answer
x = 670,066.84
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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.