Finding the Fourth Proportional to 998,988.35, 1,378,575.92 and 546,269.63
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Solution
The fourth proportional to 998,988.35, 1,378,575.92 and 546,269.63 is: 753,836.77
Step by Step Solution
- Step 1: Write the proportion equation
998,988.35 : 1,378,575.92 = 546,269.63 : x - Step 2: Convert to fraction form
998,988.35/1,378,575.92 = 546,269.63/x - Step 3: Cross multiply
998,988.35x = 1,378,575.92 × 546,269.63 - Step 4: Simplify right side
998,988.35x = 753,074,152,218.10 - Step 5: Solve for x
x = 753,074,152,218.10/998,988.35 - Step 6: Final answer
x = 753,836.77
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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.