Finding the Fourth Proportional to 448,987.23, 669,511.26 and 444,985.02
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Solution
The fourth proportional to 448,987.23, 669,511.26 and 444,985.02 is: 663,543.33
Step by Step Solution
- Step 1: Write the proportion equation
448,987.23 : 669,511.26 = 444,985.02 : x - Step 2: Convert to fraction form
448,987.23/669,511.26 = 444,985.02/x - Step 3: Cross multiply
448,987.23x = 669,511.26 × 444,985.02 - Step 4: Simplify right side
448,987.23x = 297,922,481,421.33 - Step 5: Solve for x
x = 297,922,481,421.33/448,987.23 - Step 6: Final answer
x = 663,543.33
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.