Finding the Fourth Proportional to 948,558.79, 1,422,840.62 and 387,593.29
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Solution
The fourth proportional to 948,558.79, 1,422,840.62 and 387,593.29 is: 581,390.93
Step by Step Solution
- Step 1: Write the proportion equation
948,558.79 : 1,422,840.62 = 387,593.29 : x - Step 2: Convert to fraction form
948,558.79/1,422,840.62 = 387,593.29/x - Step 3: Cross multiply
948,558.79x = 1,422,840.62 × 387,593.29 - Step 4: Simplify right side
948,558.79x = 551,483,477,051.44 - Step 5: Solve for x
x = 551,483,477,051.44/948,558.79 - Step 6: Final answer
x = 581,390.93
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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.