Finding the Fourth Proportional to 663,975.44, 916,278.12 and 362,162.96
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Solution
The fourth proportional to 663,975.44, 916,278.12 and 362,162.96 is: 499,780.53
Step by Step Solution
- Step 1: Write the proportion equation
663,975.44 : 916,278.12 = 362,162.96 : x - Step 2: Convert to fraction form
663,975.44/916,278.12 = 362,162.96/x - Step 3: Cross multiply
663,975.44x = 916,278.12 × 362,162.96 - Step 4: Simplify right side
663,975.44x = 331,841,996,122.44 - Step 5: Solve for x
x = 331,841,996,122.44/663,975.44 - Step 6: Final answer
x = 499,780.53
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1.5x scale
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.