Finding the Fourth Proportional to 915,257.55, 1,372,871.61 and 284,171.97
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Solution
The fourth proportional to 915,257.55, 1,372,871.61 and 284,171.97 is: 426,253.39
Step by Step Solution
- Step 1: Write the proportion equation
915,257.55 : 1,372,871.61 = 284,171.97 : x - Step 2: Convert to fraction form
915,257.55/1,372,871.61 = 284,171.97/x - Step 3: Cross multiply
915,257.55x = 1,372,871.61 × 284,171.97 - Step 4: Simplify right side
915,257.55x = 390,131,629,970.77 - Step 5: Solve for x
x = 390,131,629,970.77/915,257.55 - Step 6: Final answer
x = 426,253.39
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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.