Finding the Fourth Proportional to 752,340.53, 1,128,596.39 and 272,794.19
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Solution
The fourth proportional to 752,340.53, 1,128,596.39 and 272,794.19 is: 409,222.32
Step by Step Solution
- Step 1: Write the proportion equation
752,340.53 : 1,128,596.39 = 272,794.19 : x - Step 2: Convert to fraction form
752,340.53/1,128,596.39 = 272,794.19/x - Step 3: Cross multiply
752,340.53x = 1,128,596.39 × 272,794.19 - Step 4: Simplify right side
752,340.53x = 307,874,538,728.96 - Step 5: Solve for x
x = 307,874,538,728.96/752,340.53 - Step 6: Final answer
x = 409,222.32
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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.