Finding the Fourth Proportional to 524,974.32, 786,821.73 and 272,115.40
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Solution
The fourth proportional to 524,974.32, 786,821.73 and 272,115.40 is: 407,841.50
Step by Step Solution
- Step 1: Write the proportion equation
524,974.32 : 786,821.73 = 272,115.40 : x - Step 2: Convert to fraction form
524,974.32/786,821.73 = 272,115.40/x - Step 3: Cross multiply
524,974.32x = 786,821.73 × 272,115.40 - Step 4: Simplify right side
524,974.32x = 214,106,312,775.13 - Step 5: Solve for x
x = 214,106,312,775.13/524,974.32 - Step 6: Final answer
x = 407,841.50
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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.