Finding the Fourth Proportional to 818,231.84, 1,128,578.29 and 546,162.56
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Solution
The fourth proportional to 818,231.84, 1,128,578.29 and 546,162.56 is: 753,316.08
Step by Step Solution
- Step 1: Write the proportion equation
818,231.84 : 1,128,578.29 = 546,162.56 : x - Step 2: Convert to fraction form
818,231.84/1,128,578.29 = 546,162.56/x - Step 3: Cross multiply
818,231.84x = 1,128,578.29 × 546,162.56 - Step 4: Simplify right side
818,231.84x = 616,387,201,018.53 - Step 5: Solve for x
x = 616,387,201,018.53/818,231.84 - Step 6: Final answer
x = 753,316.08
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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.