Finding the Fourth Proportional to 607,872.09, 838,866.11 and 332,235.52
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Solution
The fourth proportional to 607,872.09, 838,866.11 and 332,235.52 is: 458,486.45
Step by Step Solution
- Step 1: Write the proportion equation
607,872.09 : 838,866.11 = 332,235.52 : x - Step 2: Convert to fraction form
607,872.09/838,866.11 = 332,235.52/x - Step 3: Cross multiply
607,872.09x = 838,866.11 × 332,235.52 - Step 4: Simplify right side
607,872.09x = 278,701,118,266.23 - Step 5: Solve for x
x = 278,701,118,266.23/607,872.09 - Step 6: Final answer
x = 458,486.45
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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.