Finding the Fourth Proportional to 998,830.35, 1,378,385.88 and 546,121.35
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Solution
The fourth proportional to 998,830.35, 1,378,385.88 and 546,121.35 is: 753,647.46
Step by Step Solution
- Step 1: Write the proportion equation
998,830.35 : 1,378,385.88 = 546,121.35 : x - Step 2: Convert to fraction form
998,830.35/1,378,385.88 = 546,121.35/x - Step 3: Cross multiply
998,830.35x = 1,378,385.88 × 546,121.35 - Step 4: Simplify right side
998,830.35x = 752,765,957,606.54 - Step 5: Solve for x
x = 752,765,957,606.54/998,830.35 - Step 6: Final answer
x = 753,647.46
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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.