Finding the Fourth Proportional to 758,424.91, 1,046,354.41 and 448,262.44
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Solution
The fourth proportional to 758,424.91, 1,046,354.41 and 448,262.44 is: 618,441.42
Step by Step Solution
- Step 1: Write the proportion equation
758,424.91 : 1,046,354.41 = 448,262.44 : x - Step 2: Convert to fraction form
758,424.91/1,046,354.41 = 448,262.44/x - Step 3: Cross multiply
758,424.91x = 1,046,354.41 × 448,262.44 - Step 4: Simplify right side
758,424.91x = 469,041,380,931.36 - Step 5: Solve for x
x = 469,041,380,931.36/758,424.91 - Step 6: Final answer
x = 618,441.42
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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.