Finding the Fourth Proportional to 567,589.68, 783,271.62 and 312,954.84
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Solution
The fourth proportional to 567,589.68, 783,271.62 and 312,954.84 is: 431,876.50
Step by Step Solution
- Step 1: Write the proportion equation
567,589.68 : 783,271.62 = 312,954.84 : x - Step 2: Convert to fraction form
567,589.68/783,271.62 = 312,954.84/x - Step 3: Cross multiply
567,589.68x = 783,271.62 × 312,954.84 - Step 4: Simplify right side
567,589.68x = 245,128,644,513.64 - Step 5: Solve for x
x = 245,128,644,513.64/567,589.68 - Step 6: Final answer
x = 431,876.50
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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.