Finding the Fourth Proportional to 407,112.06, 611,622.28 and 384,106.26
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Solution
The fourth proportional to 407,112.06, 611,622.28 and 384,106.26 is: 577,059.66
Step by Step Solution
- Step 1: Write the proportion equation
407,112.06 : 611,622.28 = 384,106.26 : x - Step 2: Convert to fraction form
407,112.06/611,622.28 = 384,106.26/x - Step 3: Cross multiply
407,112.06x = 611,622.28 × 384,106.26 - Step 4: Simplify right side
407,112.06x = 234,927,946,503.47 - Step 5: Solve for x
x = 234,927,946,503.47/407,112.06 - Step 6: Final answer
x = 577,059.66
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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.