Finding the Fourth Proportional to 739,744.67, 1,020,789.51 and 453,225.80
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Solution
The fourth proportional to 739,744.67, 1,020,789.51 and 453,225.80 is: 625,415.99
Step by Step Solution
- Step 1: Write the proportion equation
739,744.67 : 1,020,789.51 = 453,225.80 : x - Step 2: Convert to fraction form
739,744.67/1,020,789.51 = 453,225.80/x - Step 3: Cross multiply
739,744.67x = 1,020,789.51 × 453,225.80 - Step 4: Simplify right side
739,744.67x = 462,648,143,153.74 - Step 5: Solve for x
x = 462,648,143,153.74/739,744.67 - Step 6: Final answer
x = 625,415.99
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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.