Finding the Fourth Proportional to 921,358.78, 1,382,234.97 and 322,339.48
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Solution
The fourth proportional to 921,358.78, 1,382,234.97 and 322,339.48 is: 483,578.07
Step by Step Solution
- Step 1: Write the proportion equation
921,358.78 : 1,382,234.97 = 322,339.48 : x - Step 2: Convert to fraction form
921,358.78/1,382,234.97 = 322,339.48/x - Step 3: Cross multiply
921,358.78x = 1,382,234.97 × 322,339.48 - Step 4: Simplify right side
921,358.78x = 445,548,899,220.80 - Step 5: Solve for x
x = 445,548,899,220.80/921,358.78 - Step 6: Final answer
x = 483,578.07
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.