Finding the Fourth Proportional to 748,558.42, 1,122,842.49 and 299,317.03
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Solution
The fourth proportional to 748,558.42, 1,122,842.49 and 299,317.03 is: 448,977.49
Step by Step Solution
- Step 1: Write the proportion equation
748,558.42 : 1,122,842.49 = 299,317.03 : x - Step 2: Convert to fraction form
748,558.42/1,122,842.49 = 299,317.03/x - Step 3: Cross multiply
748,558.42x = 1,122,842.49 × 299,317.03 - Step 4: Simplify right side
748,558.42x = 336,085,879,264.61 - Step 5: Solve for x
x = 336,085,879,264.61/748,558.42 - Step 6: Final answer
x = 448,977.49
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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.