Finding the Fourth Proportional to 901,501.20, 1,350,286.74 and 451,437.12
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Solution
The fourth proportional to 901,501.20, 1,350,286.74 and 451,437.12 is: 676,171.65
Step by Step Solution
- Step 1: Write the proportion equation
901,501.20 : 1,350,286.74 = 451,437.12 : x - Step 2: Convert to fraction form
901,501.20/1,350,286.74 = 451,437.12/x - Step 3: Cross multiply
901,501.20x = 1,350,286.74 × 451,437.12 - Step 4: Simplify right side
901,501.20x = 609,569,557,079.79 - Step 5: Solve for x
x = 609,569,557,079.79/901,501.20 - Step 6: Final answer
x = 676,171.65
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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.