Finding the Fourth Proportional to 998,818.74, 1,378,375.71 and 546,109.74
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Solution
The fourth proportional to 998,818.74, 1,378,375.71 and 546,109.74 is: 753,634.64
Step by Step Solution
- Step 1: Write the proportion equation
998,818.74 : 1,378,375.71 = 546,109.74 : x - Step 2: Convert to fraction form
998,818.74/1,378,375.71 = 546,109.74/x - Step 3: Cross multiply
998,818.74x = 1,378,375.71 × 546,109.74 - Step 4: Simplify right side
998,818.74x = 752,744,400,610.42 - Step 5: Solve for x
x = 752,744,400,610.42/998,818.74 - Step 6: Final answer
x = 753,634.64
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.