Finding the Fourth Proportional to 943,625.20, 1,302,239.64 and 535,764.99
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Solution
The fourth proportional to 943,625.20, 1,302,239.64 and 535,764.99 is: 739,376.62
Step by Step Solution
- Step 1: Write the proportion equation
943,625.20 : 1,302,239.64 = 535,764.99 : x - Step 2: Convert to fraction form
943,625.20/1,302,239.64 = 535,764.99/x - Step 3: Cross multiply
943,625.20x = 1,302,239.64 × 535,764.99 - Step 4: Simplify right side
943,625.20x = 697,694,406,362.79 - Step 5: Solve for x
x = 697,694,406,362.79/943,625.20 - Step 6: Final answer
x = 739,376.62
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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.