Finding the Fourth Proportional to 671,826.28, 927,120.27 and 370,020.28
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Solution
The fourth proportional to 671,826.28, 927,120.27 and 370,020.28 is: 510,627.99
Step by Step Solution
- Step 1: Write the proportion equation
671,826.28 : 927,120.27 = 370,020.28 : x - Step 2: Convert to fraction form
671,826.28/927,120.27 = 370,020.28/x - Step 3: Cross multiply
671,826.28x = 927,120.27 × 370,020.28 - Step 4: Simplify right side
671,826.28x = 343,053,301,899.08 - Step 5: Solve for x
x = 343,053,301,899.08/671,826.28 - Step 6: Final answer
x = 510,627.99
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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.