Finding the Fourth Proportional to 748,589.99, 1,122,764.49 and 208,860.26
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Solution
The fourth proportional to 748,589.99, 1,122,764.49 and 208,860.26 is: 313,256.77
Step by Step Solution
- Step 1: Write the proportion equation
748,589.99 : 1,122,764.49 = 208,860.26 : x - Step 2: Convert to fraction form
748,589.99/1,122,764.49 = 208,860.26/x - Step 3: Cross multiply
748,589.99x = 1,122,764.49 × 208,860.26 - Step 4: Simplify right side
748,589.99x = 234,500,877,686.35 - Step 5: Solve for x
x = 234,500,877,686.35/748,589.99 - Step 6: Final answer
x = 313,256.77
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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.