Finding the Fourth Proportional to 608,313.68, 839,193.84 and 393,523.02
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Solution
The fourth proportional to 608,313.68, 839,193.84 and 393,523.02 is: 542,881.26
Step by Step Solution
- Step 1: Write the proportion equation
608,313.68 : 839,193.84 = 393,523.02 : x - Step 2: Convert to fraction form
608,313.68/839,193.84 = 393,523.02/x - Step 3: Cross multiply
608,313.68x = 839,193.84 × 393,523.02 - Step 4: Simplify right side
608,313.68x = 330,242,094,282.20 - Step 5: Solve for x
x = 330,242,094,282.20/608,313.68 - Step 6: Final answer
x = 542,881.26
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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.