Finding the Fourth Proportional to 739,744.49, 1,020,789.25 and 453,225.62
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Solution
The fourth proportional to 739,744.49, 1,020,789.25 and 453,225.62 is: 625,415.73
Step by Step Solution
- Step 1: Write the proportion equation
739,744.49 : 1,020,789.25 = 453,225.62 : x - Step 2: Convert to fraction form
739,744.49/1,020,789.25 = 453,225.62/x - Step 3: Cross multiply
739,744.49x = 1,020,789.25 × 453,225.62 - Step 4: Simplify right side
739,744.49x = 462,647,834,483.58 - Step 5: Solve for x
x = 462,647,834,483.58/739,744.49 - Step 6: Final answer
x = 625,415.73
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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.