Finding the Fourth Proportional to 875,638.96, 1,313,593.61 and 370,201.59
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Solution
The fourth proportional to 875,638.96, 1,313,593.61 and 370,201.59 is: 555,359.53
Step by Step Solution
- Step 1: Write the proportion equation
875,638.96 : 1,313,593.61 = 370,201.59 : x - Step 2: Convert to fraction form
875,638.96/1,313,593.61 = 370,201.59/x - Step 3: Cross multiply
875,638.96x = 1,313,593.61 × 370,201.59 - Step 4: Simplify right side
875,638.96x = 486,294,441,184.83 - Step 5: Solve for x
x = 486,294,441,184.83/875,638.96 - Step 6: Final answer
x = 555,359.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.