Finding the Fourth Proportional to 818,231.46, 1,128,577.76 and 546,162.18
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Solution
The fourth proportional to 818,231.46, 1,128,577.76 and 546,162.18 is: 753,315.56
Step by Step Solution
- Step 1: Write the proportion equation
818,231.46 : 1,128,577.76 = 546,162.18 : x - Step 2: Convert to fraction form
818,231.46/1,128,577.76 = 546,162.18/x - Step 3: Cross multiply
818,231.46x = 1,128,577.76 × 546,162.18 - Step 4: Simplify right side
818,231.46x = 616,386,489,701.12 - Step 5: Solve for x
x = 616,386,489,701.12/818,231.46 - Step 6: Final answer
x = 753,315.56
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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.