Finding the Fourth Proportional to 790,091.76, 1,090,318.44 and 427,507.62
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Solution
The fourth proportional to 790,091.76, 1,090,318.44 and 427,507.62 is: 589,956.08
Step by Step Solution
- Step 1: Write the proportion equation
790,091.76 : 1,090,318.44 = 427,507.62 : x - Step 2: Convert to fraction form
790,091.76/1,090,318.44 = 427,507.62/x - Step 3: Cross multiply
790,091.76x = 1,090,318.44 × 427,507.62 - Step 4: Simplify right side
790,091.76x = 466,119,441,326.51 - Step 5: Solve for x
x = 466,119,441,326.51/790,091.76 - Step 6: Final answer
x = 589,956.08
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.