Finding the Fourth Proportional to 910,427.83, 1,256,202.84 and 523,168.45
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Solution
The fourth proportional to 910,427.83, 1,256,202.84 and 523,168.45 is: 721,864.68
Step by Step Solution
- Step 1: Write the proportion equation
910,427.83 : 1,256,202.84 = 523,168.45 : x - Step 2: Convert to fraction form
910,427.83/1,256,202.84 = 523,168.45/x - Step 3: Cross multiply
910,427.83x = 1,256,202.84 × 523,168.45 - Step 4: Simplify right side
910,427.83x = 657,205,692,688.40 - Step 5: Solve for x
x = 657,205,692,688.40/910,427.83 - Step 6: Final answer
x = 721,864.68
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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.