Finding the Fourth Proportional to 673,295.36, 929,484.28 and 418,728.56
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Solution
The fourth proportional to 673,295.36, 929,484.28 and 418,728.56 is: 578,054.80
Step by Step Solution
- Step 1: Write the proportion equation
673,295.36 : 929,484.28 = 418,728.56 : x - Step 2: Convert to fraction form
673,295.36/929,484.28 = 418,728.56/x - Step 3: Cross multiply
673,295.36x = 929,484.28 × 418,728.56 - Step 4: Simplify right side
673,295.36x = 389,201,614,107.04 - Step 5: Solve for x
x = 389,201,614,107.04/673,295.36 - Step 6: Final answer
x = 578,054.80
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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.