Finding the Fourth Proportional to 901,840.20, 1,352,119.56 and 452,236.74
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Solution
The fourth proportional to 901,840.20, 1,352,119.56 and 452,236.74 is: 678,033.80
Step by Step Solution
- Step 1: Write the proportion equation
901,840.20 : 1,352,119.56 = 452,236.74 : x - Step 2: Convert to fraction form
901,840.20/1,352,119.56 = 452,236.74/x - Step 3: Cross multiply
901,840.20x = 1,352,119.56 × 452,236.74 - Step 4: Simplify right side
901,840.20x = 611,478,141,904.63 - Step 5: Solve for x
x = 611,478,141,904.63/901,840.20 - Step 6: Final answer
x = 678,033.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.