Finding the Fourth Proportional to 786,034.84, 1,178,937.42 and 386,568.40
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Solution
The fourth proportional to 786,034.84, 1,178,937.42 and 386,568.40 is: 579,796.12
Step by Step Solution
- Step 1: Write the proportion equation
786,034.84 : 1,178,937.42 = 386,568.40 : x - Step 2: Convert to fraction form
786,034.84/1,178,937.42 = 386,568.40/x - Step 3: Cross multiply
786,034.84x = 1,178,937.42 × 386,568.40 - Step 4: Simplify right side
786,034.84x = 455,739,952,149.53 - Step 5: Solve for x
x = 455,739,952,149.53/786,034.84 - Step 6: Final answer
x = 579,796.12
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.