Finding the Fourth Proportional to 961,048.09, 1,326,274.05 and 531,355.96
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Solution
The fourth proportional to 961,048.09, 1,326,274.05 and 531,355.96 is: 733,286.53
Step by Step Solution
- Step 1: Write the proportion equation
961,048.09 : 1,326,274.05 = 531,355.96 : x - Step 2: Convert to fraction form
961,048.09/1,326,274.05 = 531,355.96/x - Step 3: Cross multiply
961,048.09x = 1,326,274.05 × 531,355.96 - Step 4: Simplify right side
961,048.09x = 704,723,621,060.84 - Step 5: Solve for x
x = 704,723,621,060.84/961,048.09 - Step 6: Final answer
x = 733,286.53
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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.