Finding the Fourth Proportional to 671,921.15, 927,251.26 and 370,115.15
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Solution
The fourth proportional to 671,921.15, 927,251.26 and 370,115.15 is: 510,758.94
Step by Step Solution
- Step 1: Write the proportion equation
671,921.15 : 927,251.26 = 370,115.15 : x - Step 2: Convert to fraction form
671,921.15/927,251.26 = 370,115.15/x - Step 3: Cross multiply
671,921.15x = 927,251.26 × 370,115.15 - Step 4: Simplify right side
671,921.15x = 343,189,733,621.05 - Step 5: Solve for x
x = 343,189,733,621.05/671,921.15 - Step 6: Final answer
x = 510,758.94
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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.