Finding the Fourth Proportional to 998,538.84, 1,377,981.72 and 545,829.84
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Solution
The fourth proportional to 998,538.84, 1,377,981.72 and 545,829.84 is: 753,244.15
Step by Step Solution
- Step 1: Write the proportion equation
998,538.84 : 1,377,981.72 = 545,829.84 : x - Step 2: Convert to fraction form
998,538.84/1,377,981.72 = 545,829.84/x - Step 3: Cross multiply
998,538.84x = 1,377,981.72 × 545,829.84 - Step 4: Simplify right side
998,538.84x = 752,143,541,750.53 - Step 5: Solve for x
x = 752,143,541,750.53/998,538.84 - Step 6: Final answer
x = 753,244.15
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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.