Finding the Fourth Proportional to 943,491.09, 1,413,927.29 and 429,901.09
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Solution
The fourth proportional to 943,491.09, 1,413,927.29 and 429,901.09 is: 644,255.03
Step by Step Solution
- Step 1: Write the proportion equation
943,491.09 : 1,413,927.29 = 429,901.09 : x - Step 2: Convert to fraction form
943,491.09/1,413,927.29 = 429,901.09/x - Step 3: Cross multiply
943,491.09x = 1,413,927.29 × 429,901.09 - Step 4: Simplify right side
943,491.09x = 607,848,883,151.75 - Step 5: Solve for x
x = 607,848,883,151.75/943,491.09 - Step 6: Final answer
x = 644,255.03
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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.