Finding the Fourth Proportional to 602,313.14, 831,378.26 and 387,453.36
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Solution
The fourth proportional to 602,313.14, 831,378.26 and 387,453.36 is: 534,805.37
Step by Step Solution
- Step 1: Write the proportion equation
602,313.14 : 831,378.26 = 387,453.36 : x - Step 2: Convert to fraction form
602,313.14/831,378.26 = 387,453.36/x - Step 3: Cross multiply
602,313.14x = 831,378.26 × 387,453.36 - Step 4: Simplify right side
602,313.14x = 322,120,300,267.95 - Step 5: Solve for x
x = 322,120,300,267.95/602,313.14 - Step 6: Final answer
x = 534,805.37
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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.