Finding the Fourth Proportional to 780,861.08, 1,077,580.68 and 436,693.08
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Solution
The fourth proportional to 780,861.08, 1,077,580.68 and 436,693.08 is: 602,632.19
Step by Step Solution
- Step 1: Write the proportion equation
780,861.08 : 1,077,580.68 = 436,693.08 : x - Step 2: Convert to fraction form
780,861.08/1,077,580.68 = 436,693.08/x - Step 3: Cross multiply
780,861.08x = 1,077,580.68 × 436,693.08 - Step 4: Simplify right side
780,861.08x = 470,572,026,097.69 - Step 5: Solve for x
x = 470,572,026,097.69/780,861.08 - Step 6: Final answer
x = 602,632.19
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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.