Finding the Fourth Proportional to 961,490.88, 1,326,850.64 and 531,755.12
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Solution
The fourth proportional to 961,490.88, 1,326,850.64 and 531,755.12 is: 733,818.32
Step by Step Solution
- Step 1: Write the proportion equation
961,490.88 : 1,326,850.64 = 531,755.12 : x - Step 2: Convert to fraction form
961,490.88/1,326,850.64 = 531,755.12/x - Step 3: Cross multiply
961,490.88x = 1,326,850.64 × 531,755.12 - Step 4: Simplify right side
961,490.88x = 705,559,621,295.28 - Step 5: Solve for x
x = 705,559,621,295.28/961,490.88 - Step 6: Final answer
x = 733,818.32
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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.